diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 495df7a..67b8fd3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,11 +11,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby-version: ['2.7', '3.0', '3.1', '3.2']
-        gemfile: ['rails_6.0','rails_6.1','rails_7.0']
-        include:
-          - ruby-version: '2.7'
-            gemfile: 'rails_5.2'
+        ruby-version: ['3.0', '3.1', '3.2', '3.3']
+        gemfile: ['rails_6.0','rails_6.1','rails_7.0', 'rails_7.1']
     runs-on: ubuntu-latest
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
diff --git a/Appraisals b/Appraisals
index b799179..dbae566 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,18 +1,13 @@
 rails_versions = %w(
-  5.2
   6.0
   6.1
   7.0
+  7.1
 )
 
 rails_versions.each do |version|
   appraise "rails_#{version}" do
     gem "rails", "~> #{version}.0"
     gem "rails-controller-testing"
-    if Gem::Version.new(version) >= Gem::Version.new("6.1")
-      gem 'rspec-rails', '~> 6.0.0'
-    else
-      gem 'rspec-rails', '~> 5.0.0'
-    end
   end
 end
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 442bbd8..1ec8c51 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,97 +6,100 @@
 
 - Remove support for EOL'd Rails version 4.2
 - Remove support for Travis CI and replaced with Github Actions
-- Remove support for EOL'd Rails versions 5.0 and 5.1
+- Remove support for EOL'd Rails versions 5.x
+- Add support for Rails 7.1
+- Add Ruby's minimum version required to >= 3.0
+- Add note about the project being in maintenance-mode
 
 ## [3.1.2] - 2019-05-20
 
 ### Fixed
 
-+ The previous release unintentionally included a `setup` script meant for
+- The previous release unintentionally included a `setup` script meant for
   development only in the packaged gem. This has been removed.
 
 ## [3.1.1] - 2019-05-13
 
 ### Fixed
 
-+ Fix UTF-8 encoding error being raised on page requests - [#273]
+- Fix UTF-8 encoding error being raised on page requests - [#273]
 
 ## [3.1.0] - 2018-05-04
 
-+ Fix bugs around finding pages via page_ids's that contain non-ASCII characters
-+ Trailing slash is no longer required for finding pages
-+ Some other improvements around page lookups
-+ Don't require format in extension for looking up page id's HAML and Slim do
+- Fix bugs around finding pages via page_ids's that contain non-ASCII characters
+- Trailing slash is no longer required for finding pages
+- Some other improvements around page lookups
+- Don't require format in extension for looking up page id's HAML and Slim do
   not require them.
-+ Test against Rails 5, 5.1, 5.2
-+ Test against Ruby 2.4, 2.5
+- Test against Rails 5, 5.1, 5.2
+- Test against Ruby 2.4, 2.5
 
 ## [3.0.0] - 2016-04-15
 
-+ HighVoltage now supports Rails 5.0.0.beta3 and up.
-+ Properly handle extensions in root route constraint requests.
-+ Removes caching in preparation for Rails 5.
+- HighVoltage now supports Rails 5.0.0.beta3 and up.
+- Properly handle extensions in root route constraint requests.
+- Removes caching in preparation for Rails 5.
 
 ## [2.4.0] - 2015-07-17
 
-+ Retrieve a list of available static pages via `HighVoltage.page_ids`.
-+ Properly handle page ids which are blank when being sanitized.
-+ Only provide deprecation warnings around caching when caching is enabled.
+- Retrieve a list of available static pages via `HighVoltage.page_ids`.
+- Properly handle page ids which are blank when being sanitized.
+- Only provide deprecation warnings around caching when caching is enabled.
 
 ## [2.3.0] - 2015-04-17
 
-+ Ruby 2.2 and Rails 4.2 testing
-+ Raise InvalidPageIdError when visiting a page with invalid characters
-+ Code of Conduct added to Contributing guide
+- Ruby 2.2 and Rails 4.2 testing
+- Raise InvalidPageIdError when visiting a page with invalid characters
+- Code of Conduct added to Contributing guide
 
 ## [2.2.1] - 2014-07-23
 
-+ Resolve issue with require statements for Rails 3.x projects
+- Resolve issue with require statements for Rails 3.x projects
 
 ## [2.2.0] - 2014-06-24
 
-+ Deprecate caching because page and action caching was removed in Rails 4
-+ Refactor test suite to use rspec `expect` syntax consistently.
-+ Added Rails 4.1 to test suite.
-+ Remove Ruby 1.9.2 from test suite.
-+ Remove Capybara from test suite.
-+ Support dependency injection for Rails engine to define routes on
+- Deprecate caching because page and action caching was removed in Rails 4
+- Refactor test suite to use rspec `expect` syntax consistently.
+- Added Rails 4.1 to test suite.
+- Remove Ruby 1.9.2 from test suite.
+- Remove Capybara from test suite.
+- Support dependency injection for Rails engine to define routes on
 
 ## [2.1.0] - 2013-12-30
 
-+ Extract configuration options into a module
-+ Add ability to configure whether layout is cached with action_caching
-+ Add ability to configure a `home_page` for root routing to High Voltage
-+ Update README with new block style config
+- Extract configuration options into a module
+- Add ability to configure whether layout is cached with action_caching
+- Add ability to configure a `home_page` for root routing to High Voltage
+- Update README with new block style config
 
 ## [2.0.0] - 2013-10-05
 
-+ Extract PagesController into a module
-+ Update README with module usage instructions
+- Extract PagesController into a module
+- Update README with module usage instructions
 
 ## [1.2.4] - 2013-07-19
 
-+ Add page and action caching
-+ Remove redundant link style `page_path(id: 'about')` from README
-+ Clean up Appraisals for Travis-CI
-+ Remove Ruby 1.8.7 from test suite
+- Add page and action caching
+- Remove redundant link style `page_path(id: 'about')` from README
+- Clean up Appraisals for Travis-CI
+- Remove Ruby 1.8.7 from test suite
 
 ## [1.2.3] - 2013-07-04
 
-+ Updates for Rails 4 compatibility.
-+ Fix for Rails 4 circular dependency error.
-+ Add ability to load High Voltage outside of rails. Require `attribute_accessors`
+- Updates for Rails 4 compatibility.
+- Fix for Rails 4 circular dependency error.
+- Add ability to load High Voltage outside of rails. Require `attribute_accessors`
 
 ## [1.2.2] - 2013-07-04
 
-+ Bug fix for RootRoute constraint. Support haml, slim, etc.
-+ README updated for root routes.
+- Bug fix for RootRoute constraint. Support haml, slim, etc.
+- README updated for root routes.
 
 ## [1.2.1] - 2013-10-30
 
-+ Ability to disable HighVoltage routes.
-+ New RootRoute constraint.
-+ Updated README, with new TravisCI url.
+- Ability to disable HighVoltage routes.
+- New RootRoute constraint.
+- Updated README, with new TravisCI url.
 
 [3.1.2]: https://github.com/thoughtbot/high_voltage/compare/v3.1.1...v3.1.2
 [3.1.1]: https://github.com/thoughtbot/high_voltage/compare/v3.1.0...v3.1.1
@@ -112,5 +115,4 @@
 [1.2.3]: https://github.com/thoughtbot/high_voltage/compare/v1.2.2...v1.2.3
 [1.2.2]: https://github.com/thoughtbot/high_voltage/compare/v1.2.1...v1.2.2
 [1.2.1]: https://github.com/thoughtbot/high_voltage/compare/v1.2.0...v1.2.1
-
 [#273]: https://github.com/thoughtbot/high_voltage/pull/273
diff --git a/Gemfile.lock b/Gemfile.lock
index 6ab9fd0..6461ae0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,13 +43,13 @@ GEM
     coderay (1.1.3)
     concurrent-ruby (1.1.7)
     crass (1.0.6)
-    diff-lcs (1.5.0)
+    diff-lcs (1.5.1)
     erubi (1.12.0)
     i18n (1.8.5)
       concurrent-ruby (~> 1.0)
-    loofah (2.19.1)
+    loofah (2.22.0)
       crass (~> 1.0.2)
-      nokogiri (>= 1.5.9)
+      nokogiri (>= 1.12.0)
     method_source (1.0.0)
     mini_mime (1.0.2)
     mini_portile2 (2.8.5)
@@ -65,11 +65,13 @@ GEM
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails-dom-testing (2.0.3)
-      activesupport (>= 4.2.0)
+    rails-dom-testing (2.2.0)
+      activesupport (>= 5.0.0)
+      minitest
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.5.0)
-      loofah (~> 2.19, >= 2.19.1)
+    rails-html-sanitizer (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
     railties (6.0.3.3)
       actionpack (= 6.0.3.3)
       activesupport (= 6.0.3.3)
@@ -78,23 +80,23 @@ GEM
       thor (>= 0.20.3, < 2.0)
     rake (13.0.1)
     regexp_parser (1.8.1)
-    rspec-core (3.12.1)
-      rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.2)
+    rspec-core (3.13.0)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-mocks (3.12.4)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-rails (4.0.2)
-      actionpack (>= 4.2)
-      activesupport (>= 4.2)
-      railties (>= 4.2)
+      rspec-support (~> 3.13.0)
+    rspec-rails (5.0.3)
+      actionpack (>= 5.2)
+      activesupport (>= 5.2)
+      railties (>= 5.2)
       rspec-core (~> 3.10)
       rspec-expectations (~> 3.10)
       rspec-mocks (~> 3.10)
       rspec-support (~> 3.10)
-    rspec-support (3.12.0)
+    rspec-support (3.13.1)
     thor (1.0.1)
     thread_safe (0.3.6)
     tzinfo (1.2.7)
@@ -107,12 +109,12 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  activesupport (>= 5.2)
+  activesupport (>= 6.0)
   appraisal
   capybara
   high_voltage!
   pry
-  rspec-rails (~> 4.0.0)
+  rspec-rails (~> 5.0.0)
 
 BUNDLED WITH
    2.2.33
diff --git a/README.md b/README.md
index 8b0c73d..5d7b750 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,10 @@
 # High Voltage [![Build Status](https://github.com/thoughtbot/high_voltage/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/thoughtbot/high_voltage/actions) [![Reviewed by Hound](https://img.shields.io/badge/Reviewed_by-Hound-8E64B0.svg)](https://houndci.com)
 
+> [!NOTE]
+> `high_voltage` is in maintenance-mode. We’re not actively adding new features,
+but we’ll fix bugs and keep it up to date, and compatible with the latest Ruby
+and Rails versions.
+
 Rails engine for static pages.
 
 ... but be careful. [Danger!](https://www.youtube.com/watch?v=R-FxmoVM7X4)
diff --git a/gemfiles/rails_6.0.gemfile b/gemfiles/rails_6.0.gemfile
index 2e9cd79..57b8b42 100644
--- a/gemfiles/rails_6.0.gemfile
+++ b/gemfiles/rails_6.0.gemfile
@@ -4,6 +4,5 @@ source "https://rubygems.org"
 
 gem "rails", "~> 6.0.0"
 gem "rails-controller-testing"
-gem "rspec-rails", "~> 5.0.0"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_6.1.gemfile b/gemfiles/rails_6.1.gemfile
index bb7961f..1a36ab8 100644
--- a/gemfiles/rails_6.1.gemfile
+++ b/gemfiles/rails_6.1.gemfile
@@ -4,6 +4,5 @@ source "https://rubygems.org"
 
 gem "rails", "~> 6.1.0"
 gem "rails-controller-testing"
-gem "rspec-rails", "~> 6.0.0"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_7.0.gemfile b/gemfiles/rails_7.0.gemfile
index c62324a..2be2eae 100644
--- a/gemfiles/rails_7.0.gemfile
+++ b/gemfiles/rails_7.0.gemfile
@@ -4,6 +4,5 @@ source "https://rubygems.org"
 
 gem "rails", "~> 7.0.0"
 gem "rails-controller-testing"
-gem "rspec-rails", "~> 6.0.0"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_5.2.gemfile b/gemfiles/rails_7.1.gemfile
similarity index 69%
rename from gemfiles/rails_5.2.gemfile
rename to gemfiles/rails_7.1.gemfile
index 4681a26..45820b6 100644
--- a/gemfiles/rails_5.2.gemfile
+++ b/gemfiles/rails_7.1.gemfile
@@ -2,8 +2,7 @@
 
 source "https://rubygems.org"
 
-gem "rails", "~> 5.2.0"
+gem "rails", "~> 7.1.0"
 gem "rails-controller-testing"
-gem "rspec-rails", "~> 5.0.0"
 
 gemspec path: "../"
diff --git a/high_voltage.gemspec b/high_voltage.gemspec
index 1f1c930..115b795 100644
--- a/high_voltage.gemspec
+++ b/high_voltage.gemspec
@@ -21,9 +21,10 @@ Gem::Specification.new do |s|
   s.test_files    = []
   s.require_paths = ["lib"]
 
-  s.add_development_dependency('activesupport', '>= 5.2')
+  s.required_ruby_version = '>= 3.0'
+  s.add_development_dependency('activesupport', '>= 6.0')
   s.add_development_dependency('appraisal')
   s.add_development_dependency('capybara')
   s.add_development_dependency('pry')
-  s.add_development_dependency('rspec-rails', '~> 4.0.0')
+  s.add_development_dependency('rspec-rails', '~> 5.0.0')
 end
diff --git a/spec/high_voltage/configuration_spec.rb b/spec/high_voltage/configuration_spec.rb
index 4142b21..c5346b0 100644
--- a/spec/high_voltage/configuration_spec.rb
+++ b/spec/high_voltage/configuration_spec.rb
@@ -6,13 +6,11 @@
 
     before(:each) do
       HighVoltage.configure do |config|
-        ActiveSupport::Deprecation.silence do
-          config.content_path = config_value
-          config.layout = config_value
-          config.parent_engine = config_value
-          config.route_drawer = config_value
-          config.routes = config_value
-        end
+        config.content_path = config_value
+        config.layout = config_value
+        config.parent_engine = config_value
+        config.route_drawer = config_value
+        config.routes = config_value
       end
     end