diff --git a/.rubocop.yml b/.rubocop.yml
index 451fd8589..9286a27d3 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -4,7 +4,17 @@ inherit_gem:
 Layout/SpaceInsideArrayLiteralBrackets:
   Enabled: false
 
+Layout/EmptyLineAfterMagicComment:
+  Enabled: true
+
+Style/FrozenStringLiteralComment:
+  Enabled: true
+
+Style/RedundantFreeze:
+  Enabled: true
+
 AllCops:
   Exclude:
     - "sentry-raven/**/*"
     - "sentry-*/tmp/**/*"
+    - "sentry-*/examples/**/*"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f0aa6444..35975b8dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 ### Internal
 
 - Profile items have bigger size limit now ([#2421](https://github.com/getsentry/sentry-ruby/pull/2421))
+- Consistent string freezing ([#2422](https://github.com/getsentry/sentry-ruby/pull/2422))
 
 ## 5.20.1
 
diff --git a/Gemfile b/Gemfile
index c897e543f..9847a55e8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 git_source(:github) { |name| "https://github.com/#{name}.git" }
 
diff --git a/sentry-delayed_job/Gemfile b/sentry-delayed_job/Gemfile
index 936bec48a..48e80fbdc 100644
--- a/sentry-delayed_job/Gemfile
+++ b/sentry-delayed_job/Gemfile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 git_source(:github) { |name| "https://github.com/#{name}.git" }
 
diff --git a/sentry-delayed_job/Rakefile b/sentry-delayed_job/Rakefile
index 7b2756854..13afab191 100644
--- a/sentry-delayed_job/Rakefile
+++ b/sentry-delayed_job/Rakefile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
 
diff --git a/sentry-delayed_job/bin/console b/sentry-delayed_job/bin/console
index 660c7a889..f0f5a7b6a 100755
--- a/sentry-delayed_job/bin/console
+++ b/sentry-delayed_job/bin/console
@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require "bundler/setup"
 require "sentry/ruby"
diff --git a/sentry-delayed_job/example/Gemfile b/sentry-delayed_job/example/Gemfile
index 2ed843ab1..d138c16d5 100644
--- a/sentry-delayed_job/example/Gemfile
+++ b/sentry-delayed_job/example/Gemfile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
 gem "rails"
diff --git a/sentry-delayed_job/example/app.rb b/sentry-delayed_job/example/app.rb
index bcec27c52..04f391468 100644
--- a/sentry-delayed_job/example/app.rb
+++ b/sentry-delayed_job/example/app.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "active_job"
 require "active_record"
 require "delayed_job"
diff --git a/sentry-delayed_job/lib/sentry-delayed_job.rb b/sentry-delayed_job/lib/sentry-delayed_job.rb
index f96b03b6a..bc961259f 100644
--- a/sentry-delayed_job/lib/sentry-delayed_job.rb
+++ b/sentry-delayed_job/lib/sentry-delayed_job.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "delayed_job"
 require "sentry-ruby"
 require "sentry/integrable"
diff --git a/sentry-delayed_job/lib/sentry/delayed_job/configuration.rb b/sentry-delayed_job/lib/sentry/delayed_job/configuration.rb
index 4408b37af..42ee8e63c 100644
--- a/sentry-delayed_job/lib/sentry/delayed_job/configuration.rb
+++ b/sentry-delayed_job/lib/sentry/delayed_job/configuration.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   class Configuration
     attr_reader :delayed_job
diff --git a/sentry-delayed_job/lib/sentry/delayed_job/version.rb b/sentry-delayed_job/lib/sentry/delayed_job/version.rb
index e5c1c5e5f..69dc33410 100644
--- a/sentry-delayed_job/lib/sentry/delayed_job/version.rb
+++ b/sentry-delayed_job/lib/sentry/delayed_job/version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module DelayedJob
     VERSION = "5.20.1"
diff --git a/sentry-delayed_job/sentry-delayed_job.gemspec b/sentry-delayed_job/sentry-delayed_job.gemspec
index e9c004738..cd55d35dd 100644
--- a/sentry-delayed_job/sentry-delayed_job.gemspec
+++ b/sentry-delayed_job/sentry-delayed_job.gemspec
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative "lib/sentry/delayed_job/version"
 
 Gem::Specification.new do |spec|
diff --git a/sentry-delayed_job/spec/sentry/delayed_job/configuration_spec.rb b/sentry-delayed_job/spec/sentry/delayed_job/configuration_spec.rb
index fdde5b4f5..a785f53c3 100644
--- a/sentry-delayed_job/spec/sentry/delayed_job/configuration_spec.rb
+++ b/sentry-delayed_job/spec/sentry/delayed_job/configuration_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::DelayedJob::Configuration do
diff --git a/sentry-delayed_job/spec/sentry/delayed_job_spec.rb b/sentry-delayed_job/spec/sentry/delayed_job_spec.rb
index ac2d31fb1..24a1de77d 100644
--- a/sentry-delayed_job/spec/sentry/delayed_job_spec.rb
+++ b/sentry-delayed_job/spec/sentry/delayed_job_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::DelayedJob do
diff --git a/sentry-delayed_job/spec/spec_helper.rb b/sentry-delayed_job/spec/spec_helper.rb
index 2d8bf6d10..3e07723bb 100644
--- a/sentry-delayed_job/spec/spec_helper.rb
+++ b/sentry-delayed_job/spec/spec_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/setup"
 begin
   require "debug/prelude"
diff --git a/sentry-opentelemetry/Gemfile b/sentry-opentelemetry/Gemfile
index e084c17c6..b30d36d42 100644
--- a/sentry-opentelemetry/Gemfile
+++ b/sentry-opentelemetry/Gemfile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 git_source(:github) { |name| "https://github.com/#{name}.git" }
 
diff --git a/sentry-opentelemetry/Rakefile b/sentry-opentelemetry/Rakefile
index 7b2756854..13afab191 100644
--- a/sentry-opentelemetry/Rakefile
+++ b/sentry-opentelemetry/Rakefile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
 
diff --git a/sentry-rails/Gemfile b/sentry-rails/Gemfile
index e203e41a1..7695eff15 100644
--- a/sentry-rails/Gemfile
+++ b/sentry-rails/Gemfile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 git_source(:github) { |name| "https://github.com/#{name}.git" }
 
diff --git a/sentry-rails/Rakefile b/sentry-rails/Rakefile
index 2624fb72e..d58f59ad2 100644
--- a/sentry-rails/Rakefile
+++ b/sentry-rails/Rakefile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
 
diff --git a/sentry-rails/app/jobs/sentry/send_event_job.rb b/sentry-rails/app/jobs/sentry/send_event_job.rb
index 75ac80529..06ca59172 100644
--- a/sentry-rails/app/jobs/sentry/send_event_job.rb
+++ b/sentry-rails/app/jobs/sentry/send_event_job.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 if defined?(ActiveJob)
   module Sentry
     parent_job =
diff --git a/sentry-rails/benchmarks/allocation_comparison.rb b/sentry-rails/benchmarks/allocation_comparison.rb
index f2499d937..15b1e3c4a 100644
--- a/sentry-rails/benchmarks/allocation_comparison.rb
+++ b/sentry-rails/benchmarks/allocation_comparison.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'benchmark/memory'
 require "sentry-ruby"
 require "sentry/benchmarks/benchmark_transport"
diff --git a/sentry-rails/benchmarks/allocation_report.rb b/sentry-rails/benchmarks/allocation_report.rb
index 13fee1513..9bc691a26 100644
--- a/sentry-rails/benchmarks/allocation_report.rb
+++ b/sentry-rails/benchmarks/allocation_report.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'benchmark/ipsa'
 require "sentry-ruby"
 require "sentry/benchmarks/benchmark_transport"
diff --git a/sentry-rails/benchmarks/application.rb b/sentry-rails/benchmarks/application.rb
index fa4d3f5e8..0ef435cee 100644
--- a/sentry-rails/benchmarks/application.rb
+++ b/sentry-rails/benchmarks/application.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "active_support/all"
 require "action_controller"
 require_relative "../spec/support/test_rails_app/app"
diff --git a/sentry-rails/bin/console b/sentry-rails/bin/console
index 660c7a889..f0f5a7b6a 100755
--- a/sentry-rails/bin/console
+++ b/sentry-rails/bin/console
@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require "bundler/setup"
 require "sentry/ruby"
diff --git a/sentry-rails/lib/generators/sentry_generator.rb b/sentry-rails/lib/generators/sentry_generator.rb
index de694e40d..e293dae95 100644
--- a/sentry-rails/lib/generators/sentry_generator.rb
+++ b/sentry-rails/lib/generators/sentry_generator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "rails/generators/base"
 
 class SentryGenerator < ::Rails::Generators::Base
diff --git a/sentry-rails/lib/sentry-rails.rb b/sentry-rails/lib/sentry-rails.rb
index c436e1dfa..a8d6499b1 100644
--- a/sentry-rails/lib/sentry-rails.rb
+++ b/sentry-rails/lib/sentry-rails.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 require "sentry/rails/version"
 require "sentry/rails"
diff --git a/sentry-rails/lib/sentry/rails.rb b/sentry-rails/lib/sentry/rails.rb
index 14c8e1b80..b4b79dd85 100644
--- a/sentry-rails/lib/sentry/rails.rb
+++ b/sentry-rails/lib/sentry/rails.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "rails"
 require "sentry-ruby"
 require "sentry/integrable"
diff --git a/sentry-rails/lib/sentry/rails/action_cable.rb b/sentry-rails/lib/sentry/rails/action_cable.rb
index 06833a68b..222aab1b8 100644
--- a/sentry-rails/lib/sentry/rails/action_cable.rb
+++ b/sentry-rails/lib/sentry/rails/action_cable.rb
@@ -1,8 +1,10 @@
+# frozen_string_literal: true
+
 module Sentry
   module Rails
     module ActionCableExtensions
       class ErrorHandler
-        OP_NAME = "websocket.server".freeze
+        OP_NAME = "websocket.server"
         SPAN_ORIGIN = "auto.http.rails.actioncable"
 
         class << self
diff --git a/sentry-rails/lib/sentry/rails/active_job.rb b/sentry-rails/lib/sentry/rails/active_job.rb
index afdf87cd7..953af632b 100644
--- a/sentry-rails/lib/sentry/rails/active_job.rb
+++ b/sentry-rails/lib/sentry/rails/active_job.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module Rails
     module ActiveJobExtensions
@@ -16,8 +18,8 @@ def already_supported_by_sentry_integration?
       end
 
       class SentryReporter
-        OP_NAME = "queue.active_job".freeze
-        SPAN_ORIGIN = "auto.queue.active_job".freeze
+        OP_NAME = "queue.active_job"
+        SPAN_ORIGIN = "auto.queue.active_job"
 
         class << self
           def record(job, &block)
diff --git a/sentry-rails/lib/sentry/rails/background_worker.rb b/sentry-rails/lib/sentry/rails/background_worker.rb
index 56dcd6609..2c0cc7a71 100644
--- a/sentry-rails/lib/sentry/rails/background_worker.rb
+++ b/sentry-rails/lib/sentry/rails/background_worker.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   class BackgroundWorker
     def _perform(&block)
diff --git a/sentry-rails/lib/sentry/rails/backtrace_cleaner.rb b/sentry-rails/lib/sentry/rails/backtrace_cleaner.rb
index 25812b97a..57030f733 100644
--- a/sentry-rails/lib/sentry/rails/backtrace_cleaner.rb
+++ b/sentry-rails/lib/sentry/rails/backtrace_cleaner.rb
@@ -1,11 +1,13 @@
+# frozen_string_literal: true
+
 require "active_support/backtrace_cleaner"
 require "active_support/core_ext/string/access"
 
 module Sentry
   module Rails
     class BacktraceCleaner < ActiveSupport::BacktraceCleaner
-      APP_DIRS_PATTERN = /\A(?:\.\/)?(?:app|config|lib|test|\(\w*\))/.freeze
-      RENDER_TEMPLATE_PATTERN = /:in `.*_\w+_{2,3}\d+_\d+'/.freeze
+      APP_DIRS_PATTERN = /\A(?:\.\/)?(?:app|config|lib|test|\(\w*\))/
+      RENDER_TEMPLATE_PATTERN = /:in `.*_\w+_{2,3}\d+_\d+'/
 
       def initialize
         super
diff --git a/sentry-rails/lib/sentry/rails/breadcrumb/active_support_logger.rb b/sentry-rails/lib/sentry/rails/breadcrumb/active_support_logger.rb
index 9dfdd1d26..a301cb960 100644
--- a/sentry-rails/lib/sentry/rails/breadcrumb/active_support_logger.rb
+++ b/sentry-rails/lib/sentry/rails/breadcrumb/active_support_logger.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module Rails
     module Breadcrumb
diff --git a/sentry-rails/lib/sentry/rails/breadcrumb/monotonic_active_support_logger.rb b/sentry-rails/lib/sentry/rails/breadcrumb/monotonic_active_support_logger.rb
index 71785d256..541f9bea3 100644
--- a/sentry-rails/lib/sentry/rails/breadcrumb/monotonic_active_support_logger.rb
+++ b/sentry-rails/lib/sentry/rails/breadcrumb/monotonic_active_support_logger.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "sentry/rails/instrument_payload_cleanup_helper"
 
 module Sentry
diff --git a/sentry-rails/lib/sentry/rails/capture_exceptions.rb b/sentry-rails/lib/sentry/rails/capture_exceptions.rb
index 3216d2a3a..f571bd689 100644
--- a/sentry-rails/lib/sentry/rails/capture_exceptions.rb
+++ b/sentry-rails/lib/sentry/rails/capture_exceptions.rb
@@ -1,8 +1,10 @@
+# frozen_string_literal: true
+
 module Sentry
   module Rails
     class CaptureExceptions < Sentry::Rack::CaptureExceptions
       RAILS_7_1 = Gem::Version.new(::Rails.version) >= Gem::Version.new("7.1.0.alpha")
-      SPAN_ORIGIN = "auto.http.rails".freeze
+      SPAN_ORIGIN = "auto.http.rails"
 
       def initialize(_)
         super
@@ -20,7 +22,7 @@ def collect_exception(env)
       end
 
       def transaction_op
-        "http.server".freeze
+        "http.server"
       end
 
       def capture_exception(exception, env)
diff --git a/sentry-rails/lib/sentry/rails/configuration.rb b/sentry-rails/lib/sentry/rails/configuration.rb
index 609e03ca4..2e4591947 100644
--- a/sentry-rails/lib/sentry/rails/configuration.rb
+++ b/sentry-rails/lib/sentry/rails/configuration.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "sentry/rails/tracing/action_controller_subscriber"
 require "sentry/rails/tracing/action_view_subscriber"
 require "sentry/rails/tracing/active_record_subscriber"
diff --git a/sentry-rails/lib/sentry/rails/controller_methods.rb b/sentry-rails/lib/sentry/rails/controller_methods.rb
index 90330e946..aa8b4f3e4 100644
--- a/sentry-rails/lib/sentry/rails/controller_methods.rb
+++ b/sentry-rails/lib/sentry/rails/controller_methods.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module Rails
     module ControllerMethods
diff --git a/sentry-rails/lib/sentry/rails/controller_transaction.rb b/sentry-rails/lib/sentry/rails/controller_transaction.rb
index cd3ffa38b..8f19bb63d 100644
--- a/sentry-rails/lib/sentry/rails/controller_transaction.rb
+++ b/sentry-rails/lib/sentry/rails/controller_transaction.rb
@@ -1,7 +1,9 @@
+# frozen_string_literal: true
+
 module Sentry
   module Rails
     module ControllerTransaction
-      SPAN_ORIGIN = "auto.view.rails".freeze
+      SPAN_ORIGIN = "auto.view.rails"
 
       def self.included(base)
         base.prepend_around_action(:sentry_around_action)
diff --git a/sentry-rails/lib/sentry/rails/engine.rb b/sentry-rails/lib/sentry/rails/engine.rb
index 12ac173a7..dc50819cd 100644
--- a/sentry-rails/lib/sentry/rails/engine.rb
+++ b/sentry-rails/lib/sentry/rails/engine.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   class Engine < ::Rails::Engine
     isolate_namespace Sentry
diff --git a/sentry-rails/lib/sentry/rails/error_subscriber.rb b/sentry-rails/lib/sentry/rails/error_subscriber.rb
index fac675dbf..dad598c51 100644
--- a/sentry-rails/lib/sentry/rails/error_subscriber.rb
+++ b/sentry-rails/lib/sentry/rails/error_subscriber.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module Rails
     # This is not a user-facing class. You should use it with Rails 7.0's error reporter feature and its interfaces.
diff --git a/sentry-rails/lib/sentry/rails/instrument_payload_cleanup_helper.rb b/sentry-rails/lib/sentry/rails/instrument_payload_cleanup_helper.rb
index 343d2d41c..07422c5e8 100644
--- a/sentry-rails/lib/sentry/rails/instrument_payload_cleanup_helper.rb
+++ b/sentry-rails/lib/sentry/rails/instrument_payload_cleanup_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module Rails
     module InstrumentPayloadCleanupHelper
diff --git a/sentry-rails/lib/sentry/rails/overrides/streaming_reporter.rb b/sentry-rails/lib/sentry/rails/overrides/streaming_reporter.rb
index 5ce0c637b..1fdd4ad60 100644
--- a/sentry-rails/lib/sentry/rails/overrides/streaming_reporter.rb
+++ b/sentry-rails/lib/sentry/rails/overrides/streaming_reporter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module Rails
     module Overrides
diff --git a/sentry-rails/lib/sentry/rails/railtie.rb b/sentry-rails/lib/sentry/rails/railtie.rb
index e4926cc0f..0a0cdf213 100644
--- a/sentry-rails/lib/sentry/rails/railtie.rb
+++ b/sentry-rails/lib/sentry/rails/railtie.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "sentry/rails/capture_exceptions"
 require "sentry/rails/rescued_exception_interceptor"
 require "sentry/rails/backtrace_cleaner"
diff --git a/sentry-rails/lib/sentry/rails/rescued_exception_interceptor.rb b/sentry-rails/lib/sentry/rails/rescued_exception_interceptor.rb
index 2c977dba4..43cb69db1 100644
--- a/sentry-rails/lib/sentry/rails/rescued_exception_interceptor.rb
+++ b/sentry-rails/lib/sentry/rails/rescued_exception_interceptor.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module Rails
     class RescuedExceptionInterceptor
diff --git a/sentry-rails/lib/sentry/rails/tracing.rb b/sentry-rails/lib/sentry/rails/tracing.rb
index 3c5ae2222..82509ab8b 100644
--- a/sentry-rails/lib/sentry/rails/tracing.rb
+++ b/sentry-rails/lib/sentry/rails/tracing.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module Rails
     module Tracing
diff --git a/sentry-rails/lib/sentry/rails/tracing/abstract_subscriber.rb b/sentry-rails/lib/sentry/rails/tracing/abstract_subscriber.rb
index fec3f7bde..7ba338c6b 100644
--- a/sentry-rails/lib/sentry/rails/tracing/abstract_subscriber.rb
+++ b/sentry-rails/lib/sentry/rails/tracing/abstract_subscriber.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module Rails
     module Tracing
diff --git a/sentry-rails/lib/sentry/rails/tracing/action_controller_subscriber.rb b/sentry-rails/lib/sentry/rails/tracing/action_controller_subscriber.rb
index 11e9eadf2..42b89ce32 100644
--- a/sentry-rails/lib/sentry/rails/tracing/action_controller_subscriber.rb
+++ b/sentry-rails/lib/sentry/rails/tracing/action_controller_subscriber.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "sentry/rails/tracing/abstract_subscriber"
 require "sentry/rails/instrument_payload_cleanup_helper"
 
@@ -8,8 +10,8 @@ class ActionControllerSubscriber < AbstractSubscriber
         extend InstrumentPayloadCleanupHelper
 
         EVENT_NAMES = ["process_action.action_controller"].freeze
-        OP_NAME = "view.process_action.action_controller".freeze
-        SPAN_ORIGIN = "auto.view.rails".freeze
+        OP_NAME = "view.process_action.action_controller"
+        SPAN_ORIGIN = "auto.view.rails"
 
         def self.subscribe!
           Sentry.logger.warn <<~MSG
diff --git a/sentry-rails/lib/sentry/rails/tracing/action_view_subscriber.rb b/sentry-rails/lib/sentry/rails/tracing/action_view_subscriber.rb
index baed2c7e5..3f56d72ac 100644
--- a/sentry-rails/lib/sentry/rails/tracing/action_view_subscriber.rb
+++ b/sentry-rails/lib/sentry/rails/tracing/action_view_subscriber.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "sentry/rails/tracing/abstract_subscriber"
 
 module Sentry
@@ -5,8 +7,8 @@ module Rails
     module Tracing
       class ActionViewSubscriber < AbstractSubscriber
         EVENT_NAMES = ["render_template.action_view"].freeze
-        SPAN_PREFIX = "template.".freeze
-        SPAN_ORIGIN = "auto.template.rails".freeze
+        SPAN_PREFIX = "template."
+        SPAN_ORIGIN = "auto.template.rails"
 
         def self.subscribe!
           subscribe_to_event(EVENT_NAMES) do |event_name, duration, payload|
diff --git a/sentry-rails/lib/sentry/rails/tracing/active_storage_subscriber.rb b/sentry-rails/lib/sentry/rails/tracing/active_storage_subscriber.rb
index 5d62bad22..50ee0d703 100644
--- a/sentry-rails/lib/sentry/rails/tracing/active_storage_subscriber.rb
+++ b/sentry-rails/lib/sentry/rails/tracing/active_storage_subscriber.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "sentry/rails/tracing/abstract_subscriber"
 
 module Sentry
@@ -19,12 +21,12 @@ class ActiveStorageSubscriber < AbstractSubscriber
           analyze.active_storage
         ].freeze
 
-        SPAN_ORIGIN = "auto.file.rails".freeze
+        SPAN_ORIGIN = "auto.file.rails"
 
         def self.subscribe!
           subscribe_to_event(EVENT_NAMES) do |event_name, duration, payload|
             record_on_current_span(
-              op: "file.#{event_name}".freeze,
+              op: "file.#{event_name}",
               origin: SPAN_ORIGIN,
               start_timestamp: payload[START_TIMESTAMP_NAME],
               description: payload[:service],
diff --git a/sentry-rails/lib/sentry/rails/version.rb b/sentry-rails/lib/sentry/rails/version.rb
index e62a1de60..3d1dc210e 100644
--- a/sentry-rails/lib/sentry/rails/version.rb
+++ b/sentry-rails/lib/sentry/rails/version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module Rails
     VERSION = "5.20.1"
diff --git a/sentry-rails/sentry-rails.gemspec b/sentry-rails/sentry-rails.gemspec
index 67a545a36..8c47f981d 100644
--- a/sentry-rails/sentry-rails.gemspec
+++ b/sentry-rails/sentry-rails.gemspec
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative "lib/sentry/rails/version"
 
 Gem::Specification.new do |spec|
diff --git a/sentry-rails/spec/dummy/test_rails_app/app.rb b/sentry-rails/spec/dummy/test_rails_app/app.rb
index 302723863..95309fbaa 100644
--- a/sentry-rails/spec/dummy/test_rails_app/app.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/app.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 ENV["RAILS_ENV"] = "test"
 
 require "rails"
diff --git a/sentry-rails/spec/dummy/test_rails_app/apps/5-0.rb b/sentry-rails/spec/dummy/test_rails_app/apps/5-0.rb
index f1b3a2758..a68a68358 100644
--- a/sentry-rails/spec/dummy/test_rails_app/apps/5-0.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/apps/5-0.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 ActiveRecord::Schema.define do
   create_table :posts, force: true do |t|
   end
diff --git a/sentry-rails/spec/dummy/test_rails_app/apps/5-2.rb b/sentry-rails/spec/dummy/test_rails_app/apps/5-2.rb
index e7b1f2180..9dfcf0d62 100644
--- a/sentry-rails/spec/dummy/test_rails_app/apps/5-2.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/apps/5-2.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 ActiveRecord::Schema.define do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
diff --git a/sentry-rails/spec/dummy/test_rails_app/apps/6-0.rb b/sentry-rails/spec/dummy/test_rails_app/apps/6-0.rb
index e7b1f2180..9dfcf0d62 100644
--- a/sentry-rails/spec/dummy/test_rails_app/apps/6-0.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/apps/6-0.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 ActiveRecord::Schema.define do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
diff --git a/sentry-rails/spec/dummy/test_rails_app/apps/6-1.rb b/sentry-rails/spec/dummy/test_rails_app/apps/6-1.rb
index ac504704e..a9148a3ee 100644
--- a/sentry-rails/spec/dummy/test_rails_app/apps/6-1.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/apps/6-1.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 ActiveRecord::Schema.define do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
diff --git a/sentry-rails/spec/dummy/test_rails_app/apps/7-0.rb b/sentry-rails/spec/dummy/test_rails_app/apps/7-0.rb
index ac504704e..a9148a3ee 100644
--- a/sentry-rails/spec/dummy/test_rails_app/apps/7-0.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/apps/7-0.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 ActiveRecord::Schema.define do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
diff --git a/sentry-rails/spec/dummy/test_rails_app/apps/7-1.rb b/sentry-rails/spec/dummy/test_rails_app/apps/7-1.rb
index ac504704e..a9148a3ee 100644
--- a/sentry-rails/spec/dummy/test_rails_app/apps/7-1.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/apps/7-1.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 ActiveRecord::Schema.define do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
diff --git a/sentry-rails/spec/dummy/test_rails_app/configs/5-0.rb b/sentry-rails/spec/dummy/test_rails_app/configs/5-0.rb
index 70cb662b3..d291ac8f8 100644
--- a/sentry-rails/spec/dummy/test_rails_app/configs/5-0.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/configs/5-0.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 def run_pre_initialize_cleanup; end
 
 def configure_app(app); end
diff --git a/sentry-rails/spec/dummy/test_rails_app/configs/5-2.rb b/sentry-rails/spec/dummy/test_rails_app/configs/5-2.rb
index f6b4f39e5..d5d88d8b6 100644
--- a/sentry-rails/spec/dummy/test_rails_app/configs/5-2.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/configs/5-2.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "active_storage/engine"
 
 def run_pre_initialize_cleanup; end
diff --git a/sentry-rails/spec/dummy/test_rails_app/configs/6-0.rb b/sentry-rails/spec/dummy/test_rails_app/configs/6-0.rb
index 7b0673b3c..bab5746a8 100644
--- a/sentry-rails/spec/dummy/test_rails_app/configs/6-0.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/configs/6-0.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "active_storage/engine"
 require "action_cable/engine"
 
diff --git a/sentry-rails/spec/dummy/test_rails_app/configs/6-1.rb b/sentry-rails/spec/dummy/test_rails_app/configs/6-1.rb
index 4532be7ca..e36c83344 100644
--- a/sentry-rails/spec/dummy/test_rails_app/configs/6-1.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/configs/6-1.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "active_storage/engine"
 require "action_cable/engine"
 
diff --git a/sentry-rails/spec/dummy/test_rails_app/configs/7-0.rb b/sentry-rails/spec/dummy/test_rails_app/configs/7-0.rb
index dd5d0716c..84652ae04 100644
--- a/sentry-rails/spec/dummy/test_rails_app/configs/7-0.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/configs/7-0.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "active_storage/engine"
 require "action_cable/engine"
 
diff --git a/sentry-rails/spec/dummy/test_rails_app/configs/7-1.rb b/sentry-rails/spec/dummy/test_rails_app/configs/7-1.rb
index d17545fe0..d0126d985 100644
--- a/sentry-rails/spec/dummy/test_rails_app/configs/7-1.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/configs/7-1.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "active_storage/engine"
 require "action_cable/engine"
 require "sentry/rails/error_subscriber"
diff --git a/sentry-rails/spec/dummy/test_rails_app/configs/7-2.rb b/sentry-rails/spec/dummy/test_rails_app/configs/7-2.rb
index d17545fe0..d0126d985 100644
--- a/sentry-rails/spec/dummy/test_rails_app/configs/7-2.rb
+++ b/sentry-rails/spec/dummy/test_rails_app/configs/7-2.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "active_storage/engine"
 require "action_cable/engine"
 require "sentry/rails/error_subscriber"
diff --git a/sentry-rails/spec/sentry/rails/action_cable_spec.rb b/sentry-rails/spec/sentry/rails/action_cable_spec.rb
index 4b353adff..e47ad2efa 100644
--- a/sentry-rails/spec/sentry/rails/action_cable_spec.rb
+++ b/sentry-rails/spec/sentry/rails/action_cable_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 if defined?(ActionCable) && ActionCable.version >= Gem::Version.new('6.0.0')
   require "spec_helper"
   require "action_cable/engine"
diff --git a/sentry-rails/spec/sentry/rails/activejob_spec.rb b/sentry-rails/spec/sentry/rails/activejob_spec.rb
index f5892d944..9e9e0ce36 100644
--- a/sentry-rails/spec/sentry/rails/activejob_spec.rb
+++ b/sentry-rails/spec/sentry/rails/activejob_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 require "active_job/railtie"
 
diff --git a/sentry-rails/spec/sentry/rails/breadcrumbs/active_support_logger_spec.rb b/sentry-rails/spec/sentry/rails/breadcrumbs/active_support_logger_spec.rb
index b156eaf59..e6a0ae6e3 100644
--- a/sentry-rails/spec/sentry/rails/breadcrumbs/active_support_logger_spec.rb
+++ b/sentry-rails/spec/sentry/rails/breadcrumbs/active_support_logger_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe "Sentry::Breadcrumbs::ActiveSupportLogger", type: :request do
diff --git a/sentry-rails/spec/sentry/rails/breadcrumbs/monotonic_active_support_logger_spec.rb b/sentry-rails/spec/sentry/rails/breadcrumbs/monotonic_active_support_logger_spec.rb
index 0334531f6..031443c25 100644
--- a/sentry-rails/spec/sentry/rails/breadcrumbs/monotonic_active_support_logger_spec.rb
+++ b/sentry-rails/spec/sentry/rails/breadcrumbs/monotonic_active_support_logger_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 
diff --git a/sentry-rails/spec/sentry/rails/client_spec.rb b/sentry-rails/spec/sentry/rails/client_spec.rb
index 81c847b9d..86ef1e110 100644
--- a/sentry-rails/spec/sentry/rails/client_spec.rb
+++ b/sentry-rails/spec/sentry/rails/client_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Client, type: :request, retry: 3, skip: Gem::Version.new(Rails.version) < Gem::Version.new('5.1.0') do
diff --git a/sentry-rails/spec/sentry/rails/configuration_spec.rb b/sentry-rails/spec/sentry/rails/configuration_spec.rb
index f27ee99a9..76a8c7546 100644
--- a/sentry-rails/spec/sentry/rails/configuration_spec.rb
+++ b/sentry-rails/spec/sentry/rails/configuration_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Rails::Configuration do
diff --git a/sentry-rails/spec/sentry/rails/controller_methods_spec.rb b/sentry-rails/spec/sentry/rails/controller_methods_spec.rb
index a751e1366..6254dc290 100644
--- a/sentry-rails/spec/sentry/rails/controller_methods_spec.rb
+++ b/sentry-rails/spec/sentry/rails/controller_methods_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 require "sentry/rails/controller_methods"
 
diff --git a/sentry-rails/spec/sentry/rails/error_subscriber_spec.rb b/sentry-rails/spec/sentry/rails/error_subscriber_spec.rb
index 1bce4baca..1dcc1a0f4 100644
--- a/sentry-rails/spec/sentry/rails/error_subscriber_spec.rb
+++ b/sentry-rails/spec/sentry/rails/error_subscriber_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 require 'sentry/rails/error_subscriber'
 
diff --git a/sentry-rails/spec/sentry/rails/event_spec.rb b/sentry-rails/spec/sentry/rails/event_spec.rb
index 674615f3a..6c3f7b661 100644
--- a/sentry-rails/spec/sentry/rails/event_spec.rb
+++ b/sentry-rails/spec/sentry/rails/event_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Event do
diff --git a/sentry-rails/spec/sentry/rails/tracing/action_controller_subscriber_spec.rb b/sentry-rails/spec/sentry/rails/tracing/action_controller_subscriber_spec.rb
index f147e1b8e..9d0a4df4e 100644
--- a/sentry-rails/spec/sentry/rails/tracing/action_controller_subscriber_spec.rb
+++ b/sentry-rails/spec/sentry/rails/tracing/action_controller_subscriber_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Rails::Tracing::ActionControllerSubscriber, :subscriber, type: :request do
diff --git a/sentry-rails/spec/sentry/rails/tracing/action_view_subscriber_spec.rb b/sentry-rails/spec/sentry/rails/tracing/action_view_subscriber_spec.rb
index aa2473312..555584024 100644
--- a/sentry-rails/spec/sentry/rails/tracing/action_view_subscriber_spec.rb
+++ b/sentry-rails/spec/sentry/rails/tracing/action_view_subscriber_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Rails::Tracing::ActionViewSubscriber, :subscriber, type: :request do
diff --git a/sentry-rails/spec/sentry/rails/tracing/active_record_subscriber_spec.rb b/sentry-rails/spec/sentry/rails/tracing/active_record_subscriber_spec.rb
index aa29b82d2..2441a63d3 100644
--- a/sentry-rails/spec/sentry/rails/tracing/active_record_subscriber_spec.rb
+++ b/sentry-rails/spec/sentry/rails/tracing/active_record_subscriber_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Rails::Tracing::ActiveRecordSubscriber, :subscriber do
diff --git a/sentry-rails/spec/sentry/rails/tracing/active_storage_subscriber_spec.rb b/sentry-rails/spec/sentry/rails/tracing/active_storage_subscriber_spec.rb
index 5d34db1e3..a5e186d7e 100644
--- a/sentry-rails/spec/sentry/rails/tracing/active_storage_subscriber_spec.rb
+++ b/sentry-rails/spec/sentry/rails/tracing/active_storage_subscriber_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Rails::Tracing::ActiveStorageSubscriber, :subscriber, type: :request, skip: Rails.version.to_f <= 5.2 do
diff --git a/sentry-rails/spec/sentry/rails/tracing_spec.rb b/sentry-rails/spec/sentry/rails/tracing_spec.rb
index 287bd8acc..927e11c8e 100644
--- a/sentry-rails/spec/sentry/rails/tracing_spec.rb
+++ b/sentry-rails/spec/sentry/rails/tracing_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Rails::Tracing, type: :request do
diff --git a/sentry-rails/spec/sentry/rails_spec.rb b/sentry-rails/spec/sentry/rails_spec.rb
index 88c1dae1f..dd069db81 100644
--- a/sentry-rails/spec/sentry/rails_spec.rb
+++ b/sentry-rails/spec/sentry/rails_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Rails, type: :request do
diff --git a/sentry-rails/spec/sentry/send_event_job_spec.rb b/sentry-rails/spec/sentry/send_event_job_spec.rb
index c50130f65..00f89b2ed 100644
--- a/sentry-rails/spec/sentry/send_event_job_spec.rb
+++ b/sentry-rails/spec/sentry/send_event_job_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "active_job"
 require "spec_helper"
 
diff --git a/sentry-rails/spec/spec_helper.rb b/sentry-rails/spec/spec_helper.rb
index 55d3334d3..68b7d5a04 100644
--- a/sentry-rails/spec/spec_helper.rb
+++ b/sentry-rails/spec/spec_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/setup"
 begin
   require "debug/prelude"
diff --git a/sentry-resque/Gemfile b/sentry-resque/Gemfile
index 58c13cada..96f47a3a5 100644
--- a/sentry-resque/Gemfile
+++ b/sentry-resque/Gemfile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 git_source(:github) { |name| "https://github.com/#{name}.git" }
 
diff --git a/sentry-resque/Gemfile_with_rails.rb b/sentry-resque/Gemfile_with_rails.rb
index bceb75350..306b36624 100644
--- a/sentry-resque/Gemfile_with_rails.rb
+++ b/sentry-resque/Gemfile_with_rails.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 eval_gemfile File.expand_path("Gemfile", __dir__)
 
 gem "sentry-rails", path: "../sentry-rails"
diff --git a/sentry-resque/Rakefile b/sentry-resque/Rakefile
index 7b2756854..13afab191 100644
--- a/sentry-resque/Rakefile
+++ b/sentry-resque/Rakefile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
 
diff --git a/sentry-resque/bin/console b/sentry-resque/bin/console
index 660c7a889..f0f5a7b6a 100755
--- a/sentry-resque/bin/console
+++ b/sentry-resque/bin/console
@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require "bundler/setup"
 require "sentry/ruby"
diff --git a/sentry-resque/example/Gemfile b/sentry-resque/example/Gemfile
index b9432d218..20d98ac4a 100644
--- a/sentry-resque/example/Gemfile
+++ b/sentry-resque/example/Gemfile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
 gem "rails"
diff --git a/sentry-resque/example/app.rb b/sentry-resque/example/app.rb
index 843e8c028..2e85eca19 100644
--- a/sentry-resque/example/app.rb
+++ b/sentry-resque/example/app.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "active_job"
 require "resque"
 require "sentry-resque"
diff --git a/sentry-resque/lib/sentry-resque.rb b/sentry-resque/lib/sentry-resque.rb
index 10af757c0..1d499af8a 100644
--- a/sentry-resque/lib/sentry-resque.rb
+++ b/sentry-resque/lib/sentry-resque.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "resque"
 require "sentry-ruby"
 require "sentry/integrable"
diff --git a/sentry-resque/lib/sentry/resque/configuration.rb b/sentry-resque/lib/sentry/resque/configuration.rb
index f0d7ffae8..126d6f7eb 100644
--- a/sentry-resque/lib/sentry/resque/configuration.rb
+++ b/sentry-resque/lib/sentry/resque/configuration.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   class Configuration
     attr_reader :resque
diff --git a/sentry-resque/lib/sentry/resque/version.rb b/sentry-resque/lib/sentry/resque/version.rb
index 3bac872bc..8ecd6cfe4 100644
--- a/sentry-resque/lib/sentry/resque/version.rb
+++ b/sentry-resque/lib/sentry/resque/version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module Resque
     VERSION = "5.20.1"
diff --git a/sentry-resque/sentry-resque.gemspec b/sentry-resque/sentry-resque.gemspec
index 6d198dcab..4ce4a7ea8 100644
--- a/sentry-resque/sentry-resque.gemspec
+++ b/sentry-resque/sentry-resque.gemspec
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative "lib/sentry/resque/version"
 
 Gem::Specification.new do |spec|
diff --git a/sentry-resque/spec/sentry/resque/configuration_spec.rb b/sentry-resque/spec/sentry/resque/configuration_spec.rb
index abde7c4d4..af2f464d9 100644
--- a/sentry-resque/spec/sentry/resque/configuration_spec.rb
+++ b/sentry-resque/spec/sentry/resque/configuration_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Resque::Configuration do
diff --git a/sentry-resque/spec/sentry/resque_spec.rb b/sentry-resque/spec/sentry/resque_spec.rb
index 2a4739b6f..7239284e3 100644
--- a/sentry-resque/spec/sentry/resque_spec.rb
+++ b/sentry-resque/spec/sentry/resque_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 def process_job(worker)
diff --git a/sentry-resque/spec/sentry/tracing_spec.rb b/sentry-resque/spec/sentry/tracing_spec.rb
index e77b84f4e..bf81f9006 100644
--- a/sentry-resque/spec/sentry/tracing_spec.rb
+++ b/sentry-resque/spec/sentry/tracing_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Resque do
diff --git a/sentry-resque/spec/spec_helper.rb b/sentry-resque/spec/spec_helper.rb
index dd212aab3..73b3baefe 100644
--- a/sentry-resque/spec/spec_helper.rb
+++ b/sentry-resque/spec/spec_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/setup"
 begin
   require "debug/prelude"
diff --git a/sentry-ruby/.rubocop.yml b/sentry-ruby/.rubocop.yml
new file mode 120000
index 000000000..7cc18e076
--- /dev/null
+++ b/sentry-ruby/.rubocop.yml
@@ -0,0 +1 @@
+../.rubocop.yml
\ No newline at end of file
diff --git a/sentry-ruby/Gemfile b/sentry-ruby/Gemfile
index f13a6fe48..5ca0f99c2 100644
--- a/sentry-ruby/Gemfile
+++ b/sentry-ruby/Gemfile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 git_source(:github) { |name| "https://github.com/#{name}.git" }
 
diff --git a/sentry-ruby/Rakefile b/sentry-ruby/Rakefile
index c199ef8f8..fb7a8c183 100644
--- a/sentry-ruby/Rakefile
+++ b/sentry-ruby/Rakefile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "rake/clean"
 CLOBBER.include "pkg"
 
diff --git a/sentry-ruby/benchmarks/allocation_comparison.rb b/sentry-ruby/benchmarks/allocation_comparison.rb
index 90c7b2b19..c765b2ff6 100644
--- a/sentry-ruby/benchmarks/allocation_comparison.rb
+++ b/sentry-ruby/benchmarks/allocation_comparison.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'benchmark/memory'
 require "sentry-ruby"
 require "sentry/benchmarks/benchmark_transport"
diff --git a/sentry-ruby/benchmarks/allocation_report.rb b/sentry-ruby/benchmarks/allocation_report.rb
index 3e0359d72..54fbd4139 100644
--- a/sentry-ruby/benchmarks/allocation_report.rb
+++ b/sentry-ruby/benchmarks/allocation_report.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'benchmark/ipsa'
 require "sentry-ruby"
 require "sentry/benchmarks/benchmark_transport"
diff --git a/sentry-ruby/benchmarks/exception_locals_capturing.rb b/sentry-ruby/benchmarks/exception_locals_capturing.rb
index 00c05f9e9..6ebc46ee9 100644
--- a/sentry-ruby/benchmarks/exception_locals_capturing.rb
+++ b/sentry-ruby/benchmarks/exception_locals_capturing.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'benchmark/ips'
 
 def raise_n_exceptions(n, with_sleep: false)
diff --git a/sentry-ruby/bin/console b/sentry-ruby/bin/console
index 57a532604..6ab9e0413 100755
--- a/sentry-ruby/bin/console
+++ b/sentry-ruby/bin/console
@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require "bundler/setup"
 require "debug"
diff --git a/sentry-ruby/lib/sentry-ruby.rb b/sentry-ruby/lib/sentry-ruby.rb
index db3420aba..6dcf99671 100644
--- a/sentry-ruby/lib/sentry-ruby.rb
+++ b/sentry-ruby/lib/sentry-ruby.rb
@@ -42,11 +42,11 @@ module Sentry
 
   CAPTURED_SIGNATURE = :@__sentry_captured
 
-  LOGGER_PROGNAME = "sentry".freeze
+  LOGGER_PROGNAME = "sentry"
 
-  SENTRY_TRACE_HEADER_NAME = "sentry-trace".freeze
+  SENTRY_TRACE_HEADER_NAME = "sentry-trace"
 
-  BAGGAGE_HEADER_NAME = "baggage".freeze
+  BAGGAGE_HEADER_NAME = "baggage"
 
   THREAD_LOCAL = :sentry_hub
 
diff --git a/sentry-ruby/lib/sentry/backtrace.rb b/sentry-ruby/lib/sentry/backtrace.rb
index c5ab16d39..5fd2aadff 100644
--- a/sentry-ruby/lib/sentry/backtrace.rb
+++ b/sentry-ruby/lib/sentry/backtrace.rb
@@ -13,10 +13,10 @@ class Line
         ^ \s* (?: [a-zA-Z]: | uri:classloader: )? ([^:]+ | <.*>):
         (\d+)
         (?: :in\s('|`)([^']+)')?$
-      /x.freeze
+      /x
 
       # org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:170)
-      JAVA_INPUT_FORMAT = /^(.+)\.([^\.]+)\(([^\:]+)\:(\d+)\)$/.freeze
+      JAVA_INPUT_FORMAT = /^(.+)\.([^\.]+)\(([^\:]+)\:(\d+)\)$/
 
       # The file portion of the line (such as app/models/user.rb)
       attr_reader :file
diff --git a/sentry-ruby/lib/sentry/baggage.rb b/sentry-ruby/lib/sentry/baggage.rb
index 2b375a846..dc02dd8e6 100644
--- a/sentry-ruby/lib/sentry/baggage.rb
+++ b/sentry-ruby/lib/sentry/baggage.rb
@@ -6,7 +6,7 @@ module Sentry
   # A {https://www.w3.org/TR/baggage W3C Baggage Header} implementation.
   class Baggage
     SENTRY_PREFIX = "sentry-"
-    SENTRY_PREFIX_REGEX = /^sentry-/.freeze
+    SENTRY_PREFIX_REGEX = /^sentry-/
 
     # @return [Hash]
     attr_reader :items
diff --git a/sentry-ruby/lib/sentry/configuration.rb b/sentry-ruby/lib/sentry/configuration.rb
index 505e46a2a..b13c81c49 100644
--- a/sentry-ruby/lib/sentry/configuration.rb
+++ b/sentry-ruby/lib/sentry/configuration.rb
@@ -335,19 +335,19 @@ def capture_exception_frame_locals=(value)
     ].freeze
 
     HEROKU_DYNO_METADATA_MESSAGE = "You are running on Heroku but haven't enabled Dyno Metadata. For Sentry's "\
-    "release detection to work correctly, please run `heroku labs:enable runtime-dyno-metadata`".freeze
+    "release detection to work correctly, please run `heroku labs:enable runtime-dyno-metadata`"
 
-    LOG_PREFIX = "** [Sentry] ".freeze
-    MODULE_SEPARATOR = "::".freeze
+    LOG_PREFIX = "** [Sentry] "
+    MODULE_SEPARATOR = "::"
     SKIP_INSPECTION_ATTRIBUTES = [:@linecache, :@stacktrace_builder]
 
     INSTRUMENTERS = [:sentry, :otel]
 
-    PROPAGATION_TARGETS_MATCH_ALL = /.*/.freeze
+    PROPAGATION_TARGETS_MATCH_ALL = /.*/
 
     DEFAULT_PATCHES = %i[redis puma http].freeze
 
-    APP_DIRS_PATTERN = /(bin|exe|app|config|lib|test|spec)/.freeze
+    APP_DIRS_PATTERN = /(bin|exe|app|config|lib|test|spec)/
 
     class << self
       # Post initialization callbacks are called at the end of initialization process
diff --git a/sentry-ruby/lib/sentry/cron/monitor_check_ins.rb b/sentry-ruby/lib/sentry/cron/monitor_check_ins.rb
index ac7e35d81..835ae84ad 100644
--- a/sentry-ruby/lib/sentry/cron/monitor_check_ins.rb
+++ b/sentry-ruby/lib/sentry/cron/monitor_check_ins.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module Cron
     module MonitorCheckIns
diff --git a/sentry-ruby/lib/sentry/interfaces/single_exception.rb b/sentry-ruby/lib/sentry/interfaces/single_exception.rb
index f7126e702..db2d54e7b 100644
--- a/sentry-ruby/lib/sentry/interfaces/single_exception.rb
+++ b/sentry-ruby/lib/sentry/interfaces/single_exception.rb
@@ -7,8 +7,8 @@ class SingleExceptionInterface < Interface
     include CustomInspection
 
     SKIP_INSPECTION_ATTRIBUTES = [:@stacktrace]
-    PROBLEMATIC_LOCAL_VALUE_REPLACEMENT = "[ignored due to error]".freeze
-    OMISSION_MARK = "...".freeze
+    PROBLEMATIC_LOCAL_VALUE_REPLACEMENT = "[ignored due to error]"
+    OMISSION_MARK = "..."
     MAX_LOCAL_BYTES = 1024
 
     attr_reader :type, :module, :thread_id, :stacktrace, :mechanism
diff --git a/sentry-ruby/lib/sentry/rack/capture_exceptions.rb b/sentry-ruby/lib/sentry/rack/capture_exceptions.rb
index 5bb8eda67..40cdfb4f8 100644
--- a/sentry-ruby/lib/sentry/rack/capture_exceptions.rb
+++ b/sentry-ruby/lib/sentry/rack/capture_exceptions.rb
@@ -54,7 +54,7 @@ def collect_exception(env)
       end
 
       def transaction_op
-        "http.server".freeze
+        "http.server"
       end
 
       def capture_exception(exception, env)
diff --git a/sentry-ruby/lib/sentry/test_helper.rb b/sentry-ruby/lib/sentry/test_helper.rb
index 212c35db5..d36dc0be0 100644
--- a/sentry-ruby/lib/sentry/test_helper.rb
+++ b/sentry-ruby/lib/sentry/test_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module TestHelper
     DUMMY_DSN = "http://12345:67890@sentry.localdomain/sentry/42"
diff --git a/sentry-ruby/lib/sentry/transaction.rb b/sentry-ruby/lib/sentry/transaction.rb
index ad9447061..5e3ceb982 100644
--- a/sentry-ruby/lib/sentry/transaction.rb
+++ b/sentry-ruby/lib/sentry/transaction.rb
@@ -9,7 +9,7 @@ class Transaction < Span
     # @deprecated Use Sentry::PropagationContext::SENTRY_TRACE_REGEXP instead.
     SENTRY_TRACE_REGEXP = PropagationContext::SENTRY_TRACE_REGEXP
 
-    UNLABELD_NAME = "<unlabeled transaction>".freeze
+    UNLABELD_NAME = "<unlabeled transaction>"
     MESSAGE_PREFIX = "[Tracing]"
 
     # https://develop.sentry.dev/sdk/event-payloads/transaction/#transaction-annotations
diff --git a/sentry-ruby/sentry-ruby-core.gemspec b/sentry-ruby/sentry-ruby-core.gemspec
index a676fe126..4bd423750 100644
--- a/sentry-ruby/sentry-ruby-core.gemspec
+++ b/sentry-ruby/sentry-ruby-core.gemspec
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative "lib/sentry/version"
 
 Gem::Specification.new do |spec|
diff --git a/sentry-ruby/sentry-ruby.gemspec b/sentry-ruby/sentry-ruby.gemspec
index 44fcfceaa..ba183705c 100644
--- a/sentry-ruby/sentry-ruby.gemspec
+++ b/sentry-ruby/sentry-ruby.gemspec
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative "lib/sentry/version"
 
 Gem::Specification.new do |spec|
diff --git a/sentry-ruby/spec/contexts/with_request_mock.rb b/sentry-ruby/spec/contexts/with_request_mock.rb
index bc103f7dc..e6c480256 100644
--- a/sentry-ruby/spec/contexts/with_request_mock.rb
+++ b/sentry-ruby/spec/contexts/with_request_mock.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # because our patch on Net::HTTP is relatively low-level, we need to stub methods on socket level
 # which is not supported by most of the http mocking library
 # so we need to put something together ourselves
diff --git a/sentry-ruby/spec/initialization_check_spec.rb b/sentry-ruby/spec/initialization_check_spec.rb
index 039384c1d..129d5fdff 100644
--- a/sentry-ruby/spec/initialization_check_spec.rb
+++ b/sentry-ruby/spec/initialization_check_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe "with uninitialized SDK" do
diff --git a/sentry-ruby/spec/isolated/puma_spec.rb b/sentry-ruby/spec/isolated/puma_spec.rb
index 0e2082519..6f416d6e9 100644
--- a/sentry-ruby/spec/isolated/puma_spec.rb
+++ b/sentry-ruby/spec/isolated/puma_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "puma"
 require_relative "../spec_helper"
 
diff --git a/sentry-ruby/spec/sentry/background_worker_spec.rb b/sentry-ruby/spec/sentry/background_worker_spec.rb
index e1b900094..9e15b43ec 100644
--- a/sentry-ruby/spec/sentry/background_worker_spec.rb
+++ b/sentry-ruby/spec/sentry/background_worker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::BackgroundWorker do
diff --git a/sentry-ruby/spec/sentry/backpressure_monitor_spec.rb b/sentry-ruby/spec/sentry/backpressure_monitor_spec.rb
index 1419cffdb..e0147d87c 100644
--- a/sentry-ruby/spec/sentry/backpressure_monitor_spec.rb
+++ b/sentry-ruby/spec/sentry/backpressure_monitor_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::BackpressureMonitor do
diff --git a/sentry-ruby/spec/sentry/backtrace/lines_spec.rb b/sentry-ruby/spec/sentry/backtrace/lines_spec.rb
index 92dc48e6d..8a49ea1d8 100644
--- a/sentry-ruby/spec/sentry/backtrace/lines_spec.rb
+++ b/sentry-ruby/spec/sentry/backtrace/lines_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Backtrace::Line do
diff --git a/sentry-ruby/spec/sentry/backtrace_spec.rb b/sentry-ruby/spec/sentry/backtrace_spec.rb
index b373c45f4..648e4ee8e 100644
--- a/sentry-ruby/spec/sentry/backtrace_spec.rb
+++ b/sentry-ruby/spec/sentry/backtrace_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Backtrace do
diff --git a/sentry-ruby/spec/sentry/baggage_spec.rb b/sentry-ruby/spec/sentry/baggage_spec.rb
index 3d72a5687..a9cc44873 100644
--- a/sentry-ruby/spec/sentry/baggage_spec.rb
+++ b/sentry-ruby/spec/sentry/baggage_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Baggage do
diff --git a/sentry-ruby/spec/sentry/breadcrumb/http_logger_spec.rb b/sentry-ruby/spec/sentry/breadcrumb/http_logger_spec.rb
index 66146ef64..a4fab84ed 100644
--- a/sentry-ruby/spec/sentry/breadcrumb/http_logger_spec.rb
+++ b/sentry-ruby/spec/sentry/breadcrumb/http_logger_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 require 'contexts/with_request_mock'
 
diff --git a/sentry-ruby/spec/sentry/breadcrumb/redis_logger_spec.rb b/sentry-ruby/spec/sentry/breadcrumb/redis_logger_spec.rb
index 4d0d541df..4285a43f4 100644
--- a/sentry-ruby/spec/sentry/breadcrumb/redis_logger_spec.rb
+++ b/sentry-ruby/spec/sentry/breadcrumb/redis_logger_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe :redis_logger do
diff --git a/sentry-ruby/spec/sentry/breadcrumb/sentry_logger_spec.rb b/sentry-ruby/spec/sentry/breadcrumb/sentry_logger_spec.rb
index aafcf6f96..da3cd97c7 100644
--- a/sentry-ruby/spec/sentry/breadcrumb/sentry_logger_spec.rb
+++ b/sentry-ruby/spec/sentry/breadcrumb/sentry_logger_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe "Sentry::Breadcrumbs::SentryLogger" do
diff --git a/sentry-ruby/spec/sentry/breadcrumb_buffer_spec.rb b/sentry-ruby/spec/sentry/breadcrumb_buffer_spec.rb
index 04a76fe3c..f68e223b3 100644
--- a/sentry-ruby/spec/sentry/breadcrumb_buffer_spec.rb
+++ b/sentry-ruby/spec/sentry/breadcrumb_buffer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::BreadcrumbBuffer do
diff --git a/sentry-ruby/spec/sentry/breadcrumb_spec.rb b/sentry-ruby/spec/sentry/breadcrumb_spec.rb
index 66c2d1112..2eddb7101 100644
--- a/sentry-ruby/spec/sentry/breadcrumb_spec.rb
+++ b/sentry-ruby/spec/sentry/breadcrumb_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Breadcrumb do
diff --git a/sentry-ruby/spec/sentry/client/event_sending_spec.rb b/sentry-ruby/spec/sentry/client/event_sending_spec.rb
index b1b1a041c..86b4b6c67 100644
--- a/sentry-ruby/spec/sentry/client/event_sending_spec.rb
+++ b/sentry-ruby/spec/sentry/client/event_sending_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Client do
diff --git a/sentry-ruby/spec/sentry/client_spec.rb b/sentry-ruby/spec/sentry/client_spec.rb
index bd1debcf2..e069ccc5b 100644
--- a/sentry-ruby/spec/sentry/client_spec.rb
+++ b/sentry-ruby/spec/sentry/client_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 class ExceptionWithContext < StandardError
@@ -341,7 +343,12 @@ def detailed_message(*)
         event = subject.event_from_exception(NonStringMessageError.new)
         hash = event.to_hash
         expect(event).to be_a(Sentry::ErrorEvent)
-        expect(hash[:exception][:values][0][:value]).to eq("{:foo=>\"bar\"}")
+
+        if RUBY_VERSION >= "3.4"
+          expect(hash[:exception][:values][0][:value]).to eq("{foo: \"bar\"}")
+        else
+          expect(hash[:exception][:values][0][:value]).to eq("{:foo=>\"bar\"}")
+        end
       end
     end
 
diff --git a/sentry-ruby/spec/sentry/configuration_spec.rb b/sentry-ruby/spec/sentry/configuration_spec.rb
index f910712ad..afd78625b 100644
--- a/sentry-ruby/spec/sentry/configuration_spec.rb
+++ b/sentry-ruby/spec/sentry/configuration_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Configuration do
diff --git a/sentry-ruby/spec/sentry/cron/monitor_check_ins_spec.rb b/sentry-ruby/spec/sentry/cron/monitor_check_ins_spec.rb
index fb8212df6..48cd3e044 100644
--- a/sentry-ruby/spec/sentry/cron/monitor_check_ins_spec.rb
+++ b/sentry-ruby/spec/sentry/cron/monitor_check_ins_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Cron::MonitorCheckIns do
diff --git a/sentry-ruby/spec/sentry/cron/monitor_config_spec.rb b/sentry-ruby/spec/sentry/cron/monitor_config_spec.rb
index 68bbbe95a..1c934e8cc 100644
--- a/sentry-ruby/spec/sentry/cron/monitor_config_spec.rb
+++ b/sentry-ruby/spec/sentry/cron/monitor_config_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Cron::MonitorConfig do
diff --git a/sentry-ruby/spec/sentry/cron/monitor_schedule_spec.rb b/sentry-ruby/spec/sentry/cron/monitor_schedule_spec.rb
index 8e1b422d1..909a9b4fa 100644
--- a/sentry-ruby/spec/sentry/cron/monitor_schedule_spec.rb
+++ b/sentry-ruby/spec/sentry/cron/monitor_schedule_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Cron::MonitorSchedule::Crontab do
diff --git a/sentry-ruby/spec/sentry/dsn_spec.rb b/sentry-ruby/spec/sentry/dsn_spec.rb
index 24256f291..0a0eaecb4 100644
--- a/sentry-ruby/spec/sentry/dsn_spec.rb
+++ b/sentry-ruby/spec/sentry/dsn_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::DSN do
diff --git a/sentry-ruby/spec/sentry/envelope/item_spec.rb b/sentry-ruby/spec/sentry/envelope/item_spec.rb
index 8936c7707..ea9cf1019 100644
--- a/sentry-ruby/spec/sentry/envelope/item_spec.rb
+++ b/sentry-ruby/spec/sentry/envelope/item_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Envelope::Item do
diff --git a/sentry-ruby/spec/sentry/event_spec.rb b/sentry-ruby/spec/sentry/event_spec.rb
index ea59f95e1..90acb4da8 100644
--- a/sentry-ruby/spec/sentry/event_spec.rb
+++ b/sentry-ruby/spec/sentry/event_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Event do
diff --git a/sentry-ruby/spec/sentry/faraday_spec.rb b/sentry-ruby/spec/sentry/faraday_spec.rb
index f4632032f..0cb69fe39 100644
--- a/sentry-ruby/spec/sentry/faraday_spec.rb
+++ b/sentry-ruby/spec/sentry/faraday_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "faraday"
 require_relative "../spec_helper"
 
diff --git a/sentry-ruby/spec/sentry/graphql_spec.rb b/sentry-ruby/spec/sentry/graphql_spec.rb
index 5820b73d2..a90dfe6b0 100644
--- a/sentry-ruby/spec/sentry/graphql_spec.rb
+++ b/sentry-ruby/spec/sentry/graphql_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 with_graphql = begin
diff --git a/sentry-ruby/spec/sentry/hub_spec.rb b/sentry-ruby/spec/sentry/hub_spec.rb
index c7ada3ae6..735bc6acd 100644
--- a/sentry-ruby/spec/sentry/hub_spec.rb
+++ b/sentry-ruby/spec/sentry/hub_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Hub do
diff --git a/sentry-ruby/spec/sentry/integrable_spec.rb b/sentry-ruby/spec/sentry/integrable_spec.rb
index 269ba821e..6e7a03a07 100644
--- a/sentry-ruby/spec/sentry/integrable_spec.rb
+++ b/sentry-ruby/spec/sentry/integrable_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 require "sentry/integrable"
 
diff --git a/sentry-ruby/spec/sentry/interface_spec.rb b/sentry-ruby/spec/sentry/interface_spec.rb
index 7d95d5263..2d70cdc9b 100644
--- a/sentry-ruby/spec/sentry/interface_spec.rb
+++ b/sentry-ruby/spec/sentry/interface_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 require 'sentry/interface'
 
diff --git a/sentry-ruby/spec/sentry/interfaces/request_interface_spec.rb b/sentry-ruby/spec/sentry/interfaces/request_interface_spec.rb
index 580a610d3..a7a2225d0 100644
--- a/sentry-ruby/spec/sentry/interfaces/request_interface_spec.rb
+++ b/sentry-ruby/spec/sentry/interfaces/request_interface_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 return unless defined?(Rack)
diff --git a/sentry-ruby/spec/sentry/interfaces/stacktrace_builder_spec.rb b/sentry-ruby/spec/sentry/interfaces/stacktrace_builder_spec.rb
index e7c05d6ad..fd89360a9 100644
--- a/sentry-ruby/spec/sentry/interfaces/stacktrace_builder_spec.rb
+++ b/sentry-ruby/spec/sentry/interfaces/stacktrace_builder_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::StacktraceBuilder do
@@ -11,8 +13,8 @@
 
   let(:backtrace) do
     [
-      "#{fixture_file}:6:in `bar'",
-      "#{fixture_file}:2:in `foo'"
+      "#{fixture_file}:8:in `bar'",
+      "#{fixture_file}:4:in `foo'"
     ]
   end
 
@@ -36,8 +38,8 @@
 
       expect(first_frame.filename).to match(/stacktrace_test_fixture.rb/)
       expect(first_frame.function).to eq("foo")
-      expect(first_frame.lineno).to eq(2)
-      expect(first_frame.pre_context).to eq([nil, nil, "def foo\n"])
+      expect(first_frame.lineno).to eq(4)
+      expect(first_frame.pre_context).to eq(["# frozen_string_literal: true\n", "\n", "def foo\n"])
       expect(first_frame.context_line).to eq("  bar\n")
       expect(first_frame.post_context).to eq(["end\n", "\n", "def bar\n"])
 
@@ -45,7 +47,7 @@
 
       expect(second_frame.filename).to match(/stacktrace_test_fixture.rb/)
       expect(second_frame.function).to eq("bar")
-      expect(second_frame.lineno).to eq(6)
+      expect(second_frame.lineno).to eq(8)
       expect(second_frame.pre_context).to eq(["end\n", "\n", "def bar\n"])
       expect(second_frame.context_line).to eq("  baz\n")
       expect(second_frame.post_context).to eq(["end\n", nil, nil])
@@ -92,7 +94,7 @@
 
         expect(second_frame.filename).to match(/stacktrace_test_fixture.rb/)
         expect(second_frame.function).to eq("bar")
-        expect(second_frame.lineno).to eq(6)
+        expect(second_frame.lineno).to eq(8)
         expect(second_frame.vars).to eq({ foo: "bar" })
       end
     end
@@ -104,7 +106,7 @@
 
       expect(hash[:filename]).to match(/stacktrace_test_fixture.rb/)
       expect(hash[:function]).to eq("bar")
-      expect(hash[:lineno]).to eq(6)
+      expect(hash[:lineno]).to eq(8)
       expect(hash[:pre_context]).to eq(["end\n", "\n", "def bar\n"])
       expect(hash[:context_line]).to eq("  baz\n")
       expect(hash[:post_context]).to eq(["end\n", nil, nil])
diff --git a/sentry-ruby/spec/sentry/interfaces/stacktrace_spec.rb b/sentry-ruby/spec/sentry/interfaces/stacktrace_spec.rb
index 3236af606..6ceb0b1d0 100644
--- a/sentry-ruby/spec/sentry/interfaces/stacktrace_spec.rb
+++ b/sentry-ruby/spec/sentry/interfaces/stacktrace_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::StacktraceInterface::Frame do
diff --git a/sentry-ruby/spec/sentry/linecache_spec.rb b/sentry-ruby/spec/sentry/linecache_spec.rb
index 56c9e086b..097b3ed56 100644
--- a/sentry-ruby/spec/sentry/linecache_spec.rb
+++ b/sentry-ruby/spec/sentry/linecache_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 # rubocop:disable Style/WordArray
 RSpec.describe Sentry::LineCache do
diff --git a/sentry-ruby/spec/sentry/metrics/aggregator_spec.rb b/sentry-ruby/spec/sentry/metrics/aggregator_spec.rb
index dcd78ab86..b54c6a0d9 100644
--- a/sentry-ruby/spec/sentry/metrics/aggregator_spec.rb
+++ b/sentry-ruby/spec/sentry/metrics/aggregator_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Metrics::Aggregator do
diff --git a/sentry-ruby/spec/sentry/metrics/configuration_spec.rb b/sentry-ruby/spec/sentry/metrics/configuration_spec.rb
index 2c7e22fbe..3d04ad3ea 100644
--- a/sentry-ruby/spec/sentry/metrics/configuration_spec.rb
+++ b/sentry-ruby/spec/sentry/metrics/configuration_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Metrics::Configuration do
diff --git a/sentry-ruby/spec/sentry/metrics/counter_metric_spec.rb b/sentry-ruby/spec/sentry/metrics/counter_metric_spec.rb
index f92a0135f..f1c480b45 100644
--- a/sentry-ruby/spec/sentry/metrics/counter_metric_spec.rb
+++ b/sentry-ruby/spec/sentry/metrics/counter_metric_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Metrics::CounterMetric do
diff --git a/sentry-ruby/spec/sentry/metrics/distribution_metric_spec.rb b/sentry-ruby/spec/sentry/metrics/distribution_metric_spec.rb
index 7e5b2f2d4..e8ac709f3 100644
--- a/sentry-ruby/spec/sentry/metrics/distribution_metric_spec.rb
+++ b/sentry-ruby/spec/sentry/metrics/distribution_metric_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Metrics::DistributionMetric do
diff --git a/sentry-ruby/spec/sentry/metrics/gauge_metric_spec.rb b/sentry-ruby/spec/sentry/metrics/gauge_metric_spec.rb
index 44be08465..fce3141c6 100644
--- a/sentry-ruby/spec/sentry/metrics/gauge_metric_spec.rb
+++ b/sentry-ruby/spec/sentry/metrics/gauge_metric_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Metrics::GaugeMetric do
diff --git a/sentry-ruby/spec/sentry/metrics/local_aggregator_spec.rb b/sentry-ruby/spec/sentry/metrics/local_aggregator_spec.rb
index 5c5ab0583..3056808da 100644
--- a/sentry-ruby/spec/sentry/metrics/local_aggregator_spec.rb
+++ b/sentry-ruby/spec/sentry/metrics/local_aggregator_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Metrics::LocalAggregator do
diff --git a/sentry-ruby/spec/sentry/metrics/metric_spec.rb b/sentry-ruby/spec/sentry/metrics/metric_spec.rb
index a5ed3fd93..ccb4fa222 100644
--- a/sentry-ruby/spec/sentry/metrics/metric_spec.rb
+++ b/sentry-ruby/spec/sentry/metrics/metric_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Metrics::Metric do
diff --git a/sentry-ruby/spec/sentry/metrics/set_metric_spec.rb b/sentry-ruby/spec/sentry/metrics/set_metric_spec.rb
index fdf74dd0d..2cd01da83 100644
--- a/sentry-ruby/spec/sentry/metrics/set_metric_spec.rb
+++ b/sentry-ruby/spec/sentry/metrics/set_metric_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Metrics::SetMetric do
diff --git a/sentry-ruby/spec/sentry/metrics/timing_spec.rb b/sentry-ruby/spec/sentry/metrics/timing_spec.rb
index 8142fbb4d..3b2ee2235 100644
--- a/sentry-ruby/spec/sentry/metrics/timing_spec.rb
+++ b/sentry-ruby/spec/sentry/metrics/timing_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Metrics::Timing do
diff --git a/sentry-ruby/spec/sentry/metrics_spec.rb b/sentry-ruby/spec/sentry/metrics_spec.rb
index 335c31e5a..e50c55074 100644
--- a/sentry-ruby/spec/sentry/metrics_spec.rb
+++ b/sentry-ruby/spec/sentry/metrics_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Metrics do
diff --git a/sentry-ruby/spec/sentry/net/http_spec.rb b/sentry-ruby/spec/sentry/net/http_spec.rb
index 6a6dbbf73..9de0a6f76 100644
--- a/sentry-ruby/spec/sentry/net/http_spec.rb
+++ b/sentry-ruby/spec/sentry/net/http_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 require 'contexts/with_request_mock'
 
diff --git a/sentry-ruby/spec/sentry/profiler_spec.rb b/sentry-ruby/spec/sentry/profiler_spec.rb
index 9100a3441..883fac025 100644
--- a/sentry-ruby/spec/sentry/profiler_spec.rb
+++ b/sentry-ruby/spec/sentry/profiler_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Profiler, when: :stack_prof_installed? do
diff --git a/sentry-ruby/spec/sentry/propagation_context_spec.rb b/sentry-ruby/spec/sentry/propagation_context_spec.rb
index 644fc9530..7e16404b6 100644
--- a/sentry-ruby/spec/sentry/propagation_context_spec.rb
+++ b/sentry-ruby/spec/sentry/propagation_context_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::PropagationContext do
diff --git a/sentry-ruby/spec/sentry/rack/capture_exceptions_spec.rb b/sentry-ruby/spec/sentry/rack/capture_exceptions_spec.rb
index 83095d842..21e1786ef 100644
--- a/sentry-ruby/spec/sentry/rack/capture_exceptions_spec.rb
+++ b/sentry-ruby/spec/sentry/rack/capture_exceptions_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 require 'sentry/vernier/profiler'
 
diff --git a/sentry-ruby/spec/sentry/rake_spec.rb b/sentry-ruby/spec/sentry/rake_spec.rb
index a1eb22998..904f19170 100644
--- a/sentry-ruby/spec/sentry/rake_spec.rb
+++ b/sentry-ruby/spec/sentry/rake_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe "rake auto-reporting" do
diff --git a/sentry-ruby/spec/sentry/redis_spec.rb b/sentry-ruby/spec/sentry/redis_spec.rb
index 2722e0498..50e86ac55 100644
--- a/sentry-ruby/spec/sentry/redis_spec.rb
+++ b/sentry-ruby/spec/sentry/redis_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Redis do
diff --git a/sentry-ruby/spec/sentry/scope/setters_spec.rb b/sentry-ruby/spec/sentry/scope/setters_spec.rb
index 6a5378194..39a2e25c1 100644
--- a/sentry-ruby/spec/sentry/scope/setters_spec.rb
+++ b/sentry-ruby/spec/sentry/scope/setters_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Scope do
diff --git a/sentry-ruby/spec/sentry/scope_spec.rb b/sentry-ruby/spec/sentry/scope_spec.rb
index 6b4b4c168..4bacae275 100644
--- a/sentry-ruby/spec/sentry/scope_spec.rb
+++ b/sentry-ruby/spec/sentry/scope_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Scope do
diff --git a/sentry-ruby/spec/sentry/session_flusher_spec.rb b/sentry-ruby/spec/sentry/session_flusher_spec.rb
index 0c0fbb4eb..376f71dd4 100644
--- a/sentry-ruby/spec/sentry/session_flusher_spec.rb
+++ b/sentry-ruby/spec/sentry/session_flusher_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::SessionFlusher do
diff --git a/sentry-ruby/spec/sentry/span_spec.rb b/sentry-ruby/spec/sentry/span_spec.rb
index f24876d7f..0d1fd225c 100644
--- a/sentry-ruby/spec/sentry/span_spec.rb
+++ b/sentry-ruby/spec/sentry/span_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Span do
diff --git a/sentry-ruby/spec/sentry/test_helper_spec.rb b/sentry-ruby/spec/sentry/test_helper_spec.rb
index 2753b9b64..8303464c8 100644
--- a/sentry-ruby/spec/sentry/test_helper_spec.rb
+++ b/sentry-ruby/spec/sentry/test_helper_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::TestHelper do
diff --git a/sentry-ruby/spec/sentry/transaction_spec.rb b/sentry-ruby/spec/sentry/transaction_spec.rb
index effb249f1..7cc83aa64 100644
--- a/sentry-ruby/spec/sentry/transaction_spec.rb
+++ b/sentry-ruby/spec/sentry/transaction_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Transaction do
diff --git a/sentry-ruby/spec/sentry/transport/configuration_spec.rb b/sentry-ruby/spec/sentry/transport/configuration_spec.rb
index 676a4800c..fa3edd87b 100644
--- a/sentry-ruby/spec/sentry/transport/configuration_spec.rb
+++ b/sentry-ruby/spec/sentry/transport/configuration_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Transport::Configuration do
diff --git a/sentry-ruby/spec/sentry/transport/http_transport_rate_limiting_spec.rb b/sentry-ruby/spec/sentry/transport/http_transport_rate_limiting_spec.rb
index ac83e3b16..30dc42bbb 100644
--- a/sentry-ruby/spec/sentry/transport/http_transport_rate_limiting_spec.rb
+++ b/sentry-ruby/spec/sentry/transport/http_transport_rate_limiting_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 require 'contexts/with_request_mock'
 
diff --git a/sentry-ruby/spec/sentry/transport/http_transport_spec.rb b/sentry-ruby/spec/sentry/transport/http_transport_spec.rb
index 3c7b1b051..a0973ef75 100644
--- a/sentry-ruby/spec/sentry/transport/http_transport_spec.rb
+++ b/sentry-ruby/spec/sentry/transport/http_transport_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 require 'contexts/with_request_mock'
 
diff --git a/sentry-ruby/spec/sentry/transport/spotlight_transport_spec.rb b/sentry-ruby/spec/sentry/transport/spotlight_transport_spec.rb
index 04de57af6..fc095efeb 100644
--- a/sentry-ruby/spec/sentry/transport/spotlight_transport_spec.rb
+++ b/sentry-ruby/spec/sentry/transport/spotlight_transport_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::SpotlightTransport do
diff --git a/sentry-ruby/spec/sentry/transport_spec.rb b/sentry-ruby/spec/sentry/transport_spec.rb
index 079aa8709..059a8109b 100644
--- a/sentry-ruby/spec/sentry/transport_spec.rb
+++ b/sentry-ruby/spec/sentry/transport_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Transport do
diff --git a/sentry-ruby/spec/sentry/utils/real_ip_spec.rb b/sentry-ruby/spec/sentry/utils/real_ip_spec.rb
index 7aa6c7559..42197b9f2 100644
--- a/sentry-ruby/spec/sentry/utils/real_ip_spec.rb
+++ b/sentry-ruby/spec/sentry/utils/real_ip_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Utils::RealIp do
diff --git a/sentry-ruby/spec/sentry/utils/request_id_spec.rb b/sentry-ruby/spec/sentry/utils/request_id_spec.rb
index 7fa7a7301..955bd8894 100644
--- a/sentry-ruby/spec/sentry/utils/request_id_spec.rb
+++ b/sentry-ruby/spec/sentry/utils/request_id_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Utils::RequestId do
diff --git a/sentry-ruby/spec/sentry/vernier/profiler_spec.rb b/sentry-ruby/spec/sentry/vernier/profiler_spec.rb
index 645ddcada..03fe7ebde 100644
--- a/sentry-ruby/spec/sentry/vernier/profiler_spec.rb
+++ b/sentry-ruby/spec/sentry/vernier/profiler_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 require "sentry/vernier/profiler"
@@ -173,7 +175,7 @@
           expect(foo_frame[:function]).to eq('Foo.foo')
           expect(foo_frame[:module]).to eq('ProfilerTest::Bar')
           expect(foo_frame[:in_app]).to eq(true)
-          expect(foo_frame[:lineno]).to eq(4)
+          expect(foo_frame[:lineno]).to eq(6)
           expect(foo_frame[:filename]).to eq('spec/support/profiler.rb')
           expect(foo_frame[:abs_path]).to include('sentry-ruby/sentry-ruby/spec/support/profiler.rb')
         end
@@ -259,7 +261,7 @@
           expect(foo_frame[:function]).to eq('Foo.foo')
           expect(foo_frame[:module]).to eq('ProfilerTest::Bar')
           expect(foo_frame[:in_app]).to eq(true)
-          expect(foo_frame[:lineno]).to eq(4)
+          expect(foo_frame[:lineno]).to eq(6)
           expect(foo_frame[:filename]).to eq('spec/support/profiler.rb')
           expect(foo_frame[:abs_path]).to include('sentry-ruby/sentry-ruby/spec/support/profiler.rb')
         end
diff --git a/sentry-ruby/spec/sentry_spec.rb b/sentry-ruby/spec/sentry_spec.rb
index dd3f85c93..dabdcd07e 100644
--- a/sentry-ruby/spec/sentry_spec.rb
+++ b/sentry-ruby/spec/sentry_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 require 'contexts/with_request_mock'
 
diff --git a/sentry-ruby/spec/spec_helper.rb b/sentry-ruby/spec/spec_helper.rb
index 1bceb1070..e0d1c9a1e 100644
--- a/sentry-ruby/spec/spec_helper.rb
+++ b/sentry-ruby/spec/spec_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/setup"
 begin
   require "debug/prelude"
diff --git a/sentry-ruby/spec/support/Rakefile.rb b/sentry-ruby/spec/support/Rakefile.rb
index 2304ba3a4..77b245297 100644
--- a/sentry-ruby/spec/support/Rakefile.rb
+++ b/sentry-ruby/spec/support/Rakefile.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "rake"
 require "sentry-ruby"
 
diff --git a/sentry-ruby/spec/support/profiler.rb b/sentry-ruby/spec/support/profiler.rb
index 7f048b8a5..ee83cc4dd 100644
--- a/sentry-ruby/spec/support/profiler.rb
+++ b/sentry-ruby/spec/support/profiler.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ProfilerTest
   module Bar
     module Foo
diff --git a/sentry-ruby/spec/support/stacktrace_test_fixture.rb b/sentry-ruby/spec/support/stacktrace_test_fixture.rb
index 7921fb53b..0c8d7933e 100644
--- a/sentry-ruby/spec/support/stacktrace_test_fixture.rb
+++ b/sentry-ruby/spec/support/stacktrace_test_fixture.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 def foo
   bar
 end
diff --git a/sentry-sidekiq/Gemfile b/sentry-sidekiq/Gemfile
index 5ce453b72..c158e85dc 100644
--- a/sentry-sidekiq/Gemfile
+++ b/sentry-sidekiq/Gemfile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 git_source(:github) { |name| "https://github.com/#{name}.git" }
 
diff --git a/sentry-sidekiq/Rakefile b/sentry-sidekiq/Rakefile
index 7b2756854..13afab191 100644
--- a/sentry-sidekiq/Rakefile
+++ b/sentry-sidekiq/Rakefile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
 
diff --git a/sentry-sidekiq/bin/console b/sentry-sidekiq/bin/console
index 660c7a889..f0f5a7b6a 100755
--- a/sentry-sidekiq/bin/console
+++ b/sentry-sidekiq/bin/console
@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require "bundler/setup"
 require "sentry/ruby"
diff --git a/sentry-sidekiq/example/Gemfile b/sentry-sidekiq/example/Gemfile
index d038af521..9834edf07 100644
--- a/sentry-sidekiq/example/Gemfile
+++ b/sentry-sidekiq/example/Gemfile
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
 gem "sidekiq"
diff --git a/sentry-sidekiq/example/error_worker.rb b/sentry-sidekiq/example/error_worker.rb
index 220d80f63..8782dd2d7 100644
--- a/sentry-sidekiq/example/error_worker.rb
+++ b/sentry-sidekiq/example/error_worker.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "sidekiq"
 require "sentry-sidekiq"
 
diff --git a/sentry-sidekiq/lib/sentry-sidekiq.rb b/sentry-sidekiq/lib/sentry-sidekiq.rb
index b7318b9f9..a126782f2 100644
--- a/sentry-sidekiq/lib/sentry-sidekiq.rb
+++ b/sentry-sidekiq/lib/sentry-sidekiq.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "sidekiq"
 require "sentry-ruby"
 require "sentry/integrable"
diff --git a/sentry-sidekiq/lib/sentry/sidekiq/configuration.rb b/sentry-sidekiq/lib/sentry/sidekiq/configuration.rb
index cc71908b5..b6ef3856c 100644
--- a/sentry-sidekiq/lib/sentry/sidekiq/configuration.rb
+++ b/sentry-sidekiq/lib/sentry/sidekiq/configuration.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   class Configuration
     attr_reader :sidekiq
diff --git a/sentry-sidekiq/lib/sentry/sidekiq/context_filter.rb b/sentry-sidekiq/lib/sentry/sidekiq/context_filter.rb
index 8512b5ab5..ff9f014c3 100644
--- a/sentry-sidekiq/lib/sentry/sidekiq/context_filter.rb
+++ b/sentry-sidekiq/lib/sentry/sidekiq/context_filter.rb
@@ -1,8 +1,10 @@
+# frozen_string_literal: true
+
 module Sentry
   module Sidekiq
     class ContextFilter
-      ACTIVEJOB_RESERVED_PREFIX_REGEX = /^_aj_/.freeze
-      SIDEKIQ_NAME = "Sidekiq".freeze
+      ACTIVEJOB_RESERVED_PREFIX_REGEX = /^_aj_/
+      SIDEKIQ_NAME = "Sidekiq"
 
       attr_reader :context
 
diff --git a/sentry-sidekiq/lib/sentry/sidekiq/error_handler.rb b/sentry-sidekiq/lib/sentry/sidekiq/error_handler.rb
index d1f7eaf87..50c720929 100644
--- a/sentry-sidekiq/lib/sentry/sidekiq/error_handler.rb
+++ b/sentry-sidekiq/lib/sentry/sidekiq/error_handler.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "sentry/sidekiq/context_filter"
 
 module Sentry
diff --git a/sentry-sidekiq/lib/sentry/sidekiq/version.rb b/sentry-sidekiq/lib/sentry/sidekiq/version.rb
index 46cb74dbe..7fd496062 100644
--- a/sentry-sidekiq/lib/sentry/sidekiq/version.rb
+++ b/sentry-sidekiq/lib/sentry/sidekiq/version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Sentry
   module Sidekiq
     VERSION = "5.20.1"
diff --git a/sentry-sidekiq/sentry-sidekiq.gemspec b/sentry-sidekiq/sentry-sidekiq.gemspec
index 69a4689de..fe8a94595 100644
--- a/sentry-sidekiq/sentry-sidekiq.gemspec
+++ b/sentry-sidekiq/sentry-sidekiq.gemspec
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative "lib/sentry/sidekiq/version"
 
 Gem::Specification.new do |spec|
diff --git a/sentry-sidekiq/spec/sentry/rails_spec.rb b/sentry-sidekiq/spec/sentry/rails_spec.rb
index 87518ea06..36c6fdd31 100644
--- a/sentry-sidekiq/spec/sentry/rails_spec.rb
+++ b/sentry-sidekiq/spec/sentry/rails_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 return unless ENV["WITH_SENTRY_RAILS"]
 
 require "rails"
diff --git a/sentry-sidekiq/spec/sentry/sidekiq-scheduler/scheduler_spec.rb b/sentry-sidekiq/spec/sentry/sidekiq-scheduler/scheduler_spec.rb
index 879e34a55..02efd1ccc 100644
--- a/sentry-sidekiq/spec/sentry/sidekiq-scheduler/scheduler_spec.rb
+++ b/sentry-sidekiq/spec/sentry/sidekiq-scheduler/scheduler_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 return unless defined?(SidekiqScheduler::Scheduler)
diff --git a/sentry-sidekiq/spec/sentry/sidekiq/configuration_spec.rb b/sentry-sidekiq/spec/sentry/sidekiq/configuration_spec.rb
index 2fdcdfbc5..7e9066ffe 100644
--- a/sentry-sidekiq/spec/sentry/sidekiq/configuration_spec.rb
+++ b/sentry-sidekiq/spec/sentry/sidekiq/configuration_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Sidekiq::Configuration do
diff --git a/sentry-sidekiq/spec/sentry/sidekiq/context_filter_spec.rb b/sentry-sidekiq/spec/sentry/sidekiq/context_filter_spec.rb
index dc5354b9c..099ce329b 100644
--- a/sentry-sidekiq/spec/sentry/sidekiq/context_filter_spec.rb
+++ b/sentry-sidekiq/spec/sentry/sidekiq/context_filter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.describe Sentry::Sidekiq::ContextFilter do
diff --git a/sentry-sidekiq/spec/sentry/sidekiq/cron/job_spec.rb b/sentry-sidekiq/spec/sentry/sidekiq/cron/job_spec.rb
index c0f223096..4e4f65202 100644
--- a/sentry-sidekiq/spec/sentry/sidekiq/cron/job_spec.rb
+++ b/sentry-sidekiq/spec/sentry/sidekiq/cron/job_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 return unless defined?(Sidekiq::Cron::Job)
diff --git a/sentry-sidekiq/spec/sentry/sidekiq/error_handler_spec.rb b/sentry-sidekiq/spec/sentry/sidekiq/error_handler_spec.rb
index 15053609e..5e144bf9a 100644
--- a/sentry-sidekiq/spec/sentry/sidekiq/error_handler_spec.rb
+++ b/sentry-sidekiq/spec/sentry/sidekiq/error_handler_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Sentry::Sidekiq::ErrorHandler do
diff --git a/sentry-sidekiq/spec/sentry/sidekiq/sentry_context_middleware_spec.rb b/sentry-sidekiq/spec/sentry/sidekiq/sentry_context_middleware_spec.rb
index 8d28577e7..de5e9416f 100644
--- a/sentry-sidekiq/spec/sentry/sidekiq/sentry_context_middleware_spec.rb
+++ b/sentry-sidekiq/spec/sentry/sidekiq/sentry_context_middleware_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 RSpec.shared_context "sidekiq", shared_context: :metadata do
diff --git a/sentry-sidekiq/spec/sentry/sidekiq_spec.rb b/sentry-sidekiq/spec/sentry/sidekiq_spec.rb
index 2e7cfb99a..64fdec5c1 100644
--- a/sentry-sidekiq/spec/sentry/sidekiq_spec.rb
+++ b/sentry-sidekiq/spec/sentry/sidekiq_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 require 'sidekiq/manager'
 require 'sidekiq/api'
diff --git a/sentry-sidekiq/spec/spec_helper.rb b/sentry-sidekiq/spec/spec_helper.rb
index 6b2287957..5e1e6a6e9 100644
--- a/sentry-sidekiq/spec/spec_helper.rb
+++ b/sentry-sidekiq/spec/spec_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/setup"
 begin
   require "debug/prelude"