diff --git a/.github/workflows/codeql-ruby.yaml b/.github/workflows/codeql-ruby.yaml
new file mode 100644
index 00000000..81863f43
--- /dev/null
+++ b/.github/workflows/codeql-ruby.yaml
@@ -0,0 +1,36 @@
+name: codeql-ruby
+
+permissions: { }
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  schedule:
+    - cron: '35 11 * * 2'
+
+concurrency:
+  # Cancels in-progress runs only for pull requests
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  analyze:
+    name: Analyze Ruby
+    runs-on: 'ubuntu-latest'
+    permissions:
+      security-events: write
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+      - uses: github/codeql-action/init@c10b8064de6f491fea524254123dbe5e09572f13 # v4.35.1
+        with:
+          languages: ruby
+          build-mode: none
+      - uses: github/codeql-action/analyze@c10b8064de6f491fea524254123dbe5e09572f13 # v4.35.1
+        with:
+          category: "/language:ruby"