diff --git a/.github/workflows/danger.yml b/.github/workflows/danger.yml
index 79bff99..6da6201 100644
--- a/.github/workflows/danger.yml
+++ b/.github/workflows/danger.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true
-          ruby-version: "3.3"
+          ruby-version: "3.4"
       - name: Run Danger
         run: bundle exec danger
         env:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6ac067d..ae8d74a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.3"
+          ruby-version: "3.4"
           bundler-cache: true
       - run: bundle exec rake confirm_config documentation_syntax_check confirm_documentation
 
@@ -32,6 +32,7 @@ jobs:
           - "3.1"
           - "3.2"
           - "3.3"
+          - "3.4"
           - ruby-head
           - jruby-9.4
         task:
@@ -53,7 +54,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.3"
+          ruby-version: "3.4"
           bundler-cache: true
       - run: bundle exec rake spec
 
@@ -72,7 +73,7 @@ jobs:
           echo "gem 'rubocop', github: 'rubocop/rubocop'" > Gemfile.local
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.3"
+          ruby-version: "3.4"
           bundler-cache: true
       - run: NO_COVERAGE=true bundle exec rake ${{ matrix.task }}
 
@@ -93,7 +94,7 @@ jobs:
           EOF
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.3"
+          ruby-version: "3.4"
           bundler-cache: true
       - run: NO_COVERAGE=true bundle exec rake spec