diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000..28c313b
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,25 @@
+name: CodeQL
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  schedule:
+    - cron: '0 6 * * 1' # Weekly Monday 6am UTC
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      security-events: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: github/codeql-action/init@v3
+        with:
+          languages: javascript-typescript
+
+      - uses: github/codeql-action/analyze@v3