diff --git a/.github/workflows/release-rubygem.yml b/.github/workflows/release-rubygem.yml
index 269450bd..581b8b81 100644
--- a/.github/workflows/release-rubygem.yml
+++ b/.github/workflows/release-rubygem.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v5
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.3'
+          ruby-version: '3.4'
           bundler-cache: true
       - uses: cucumber/action-publish-rubygem@v1.0.0
         with:
diff --git a/.github/workflows/test-ruby.yml b/.github/workflows/test-ruby.yml
index 05f3565a..aac741da 100644
--- a/.github/workflows/test-ruby.yml
+++ b/.github/workflows/test-ruby.yml
@@ -26,10 +26,10 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-        ruby: ['3.0', '3.1', '3.2', '3.3']
+        ruby: ['3.2', '3.3', '3.4', '3.5']
         include:
           - os: macos-latest
-            ruby: '3.3'
+            ruby: '3.4'
 
     steps:
       - uses: actions/checkout@v5
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 854fd724..40b2ae8d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Removed
 - [Python] Dropped legacy .egg-info metadata distribution artifacts ([#324](https://github.com/cucumber/messages/pull/324))
 
+### Changed
+- [Ruby] Updated minimum Ruby version to 3.2 ([#346](https://github.com/cucumber/messages/pull/346) [luke-hill](https://github.com/luke-hill))
+
 ## [29.0.1] - 2025-09-08
 ### Fixed
 - [JavaScript] Include schemas in npm package ([#333](https://github.com/cucumber/messages/pull/333))
diff --git a/ruby/cucumber-messages.gemspec b/ruby/cucumber-messages.gemspec
index fda1945d..af529d2a 100644
--- a/ruby/cucumber-messages.gemspec
+++ b/ruby/cucumber-messages.gemspec
@@ -12,8 +12,8 @@ Gem::Specification.new do |s|
   s.homepage    = 'https://github.com/cucumber/messages#readme'
   s.platform    = Gem::Platform::RUBY
   s.license     = 'MIT'
-  s.required_ruby_version = '>= 3.0'
-  s.required_rubygems_version = '>= 3.2.3'
+  s.required_ruby_version = '>= 3.2'
+  s.required_rubygems_version = '>= 3.2.8'
 
   s.metadata = {
     'bug_tracker_uri' => 'https://github.com/cucumber/messages/issues',
@@ -26,10 +26,10 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'cucumber-compatibility-kit', '~> 15.0'
   s.add_development_dependency 'rake', '~> 13.1'
   s.add_development_dependency 'rspec', '~> 3.13'
-  s.add_development_dependency 'rubocop', '~> 1.71.0'
-  s.add_development_dependency 'rubocop-performance', '~> 1.23.0'
+  s.add_development_dependency 'rubocop', '~> 1.80.0'
+  s.add_development_dependency 'rubocop-performance', '~> 1.24.0'
   s.add_development_dependency 'rubocop-rake', '~> 0.6.0'
-  s.add_development_dependency 'rubocop-rspec', '~> 3.4.0'
+  s.add_development_dependency 'rubocop-rspec', '~> 3.7.0'
 
   s.files            = Dir['README.md', 'LICENSE', 'VERSION', 'lib/**/*']
   s.rdoc_options     = ['--charset=UTF-8']