diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 674432d9c7..ea5679f4ad 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,8 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # Due to https://github.com/actions/runner/issues/849, we have to use quotes for '3.0'
-        ruby: ['3.0', 3.1, 3.2]
+        ruby: [3.1, 3.2]
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
diff --git a/govuk_publishing_components.gemspec b/govuk_publishing_components.gemspec
index 61ec65ab34..264bf783b4 100644
--- a/govuk_publishing_components.gemspec
+++ b/govuk_publishing_components.gemspec
@@ -12,7 +12,7 @@ Gem::Specification.new do |s|
   s.description = "A gem to document components in GOV.UK frontend applications"
   s.homepage    = "https://github.com/alphagov/govuk_publishing_components"
   s.license     = "MIT"
-  s.required_ruby_version = ">= 3.0"
+  s.required_ruby_version = ">= 3.1" # rubocop:disable Gemspec/RequiredRubyVersion
 
   s.files = Dir["{node_modules/govuk-frontend,node_modules/axe-core,node_modules/sortablejs,app,config,db,lib}/**/*", "LICENCE.md", "README.md"]