diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000..d7bdb62
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,33 @@
+name: CodeQL
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  schedule:
+    - cron: "41 7 * * 3"
+
+permissions:
+  contents: read
+  security-events: write
+
+jobs:
+  analyze:
+    name: CodeQL (javascript-typescript)
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@cdf488f595d80d6e07e03d4674febd5ab45fa938 # v4
+        with:
+          languages: javascript-typescript
+
+      - name: Analyze
+        uses: github/codeql-action/analyze@cdf488f595d80d6e07e03d4674febd5ab45fa938 # v4
+        with:
+          category: "/language:javascript-typescript"