diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index efb4972..fac6b77 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - '2.7'
+          - '3.0'
 
     steps:
     - uses: actions/checkout@v4
diff --git a/Gemfile.lock b/Gemfile.lock
index 467da42..152cf8e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    rubocop-rails-accessibility (0.2.0)
+    rubocop-rails-accessibility (1.0.0)
       rubocop (>= 1.0.0)
 
 GEM
diff --git a/lib/rubocop/rails_accessibility/version.rb b/lib/rubocop/rails_accessibility/version.rb
index c1fdb3d..c80bd19 100644
--- a/lib/rubocop/rails_accessibility/version.rb
+++ b/lib/rubocop/rails_accessibility/version.rb
@@ -2,6 +2,6 @@
 
 module RuboCop
   module RailsAccessibility
-    VERSION = "0.2.0"
+    VERSION = "1.0.0"
   end
 end
diff --git a/rubocop-rails-accessibility.gemspec b/rubocop-rails-accessibility.gemspec
index a8b1545..34cc0df 100644
--- a/rubocop-rails-accessibility.gemspec
+++ b/rubocop-rails-accessibility.gemspec
@@ -11,7 +11,7 @@ Gem::Specification.new do |spec|
   spec.summary = "Custom RuboCop rules for Rails Accessibility."
   spec.homepage = "https://github.com/github/rubocop-rails-accessibility"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 2.7.0"
+  spec.required_ruby_version = ">= 3.0.0"
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage