diff --git a/.github/workflows/legacy_ruby.yml b/.github/workflows/legacy_ruby.yml
index ae91dcb1..b7c4881c 100644
--- a/.github/workflows/legacy_ruby.yml
+++ b/.github/workflows/legacy_ruby.yml
@@ -59,7 +59,7 @@ jobs:
       TEST_CONFIG: ./spec/config.github.yml
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Database
       run: |
         psql -c "CREATE ROLE runner SUPERUSER LOGIN CREATEDB;" -U postgres -h localhost
diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
new file mode 100644
index 00000000..17891526
--- /dev/null
+++ b/.github/workflows/rubocop.yml
@@ -0,0 +1,29 @@
+name: RuboCop
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: RuboCop
+    runs-on: ubuntu-latest
+
+    env:
+      BUNDLE_GEMFILE: gemfiles/rubocop.gemfile
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: 3.2
+        rubygems: latest
+        bundler-cache: true
+    - name: RuboCop
+      run: bundle exec rubocop
diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 5d35a548..4b7f87ca 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -72,7 +72,7 @@ jobs:
     continue-on-error: ${{ matrix.channel != 'stable' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Database
       run: |
         psql -c "CREATE ROLE runner SUPERUSER LOGIN CREATEDB;" -U postgres -h localhost