diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000..56f6958
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,32 @@
+name: CodeQL
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  schedule:
+    - cron: "30 5 * * 1"
+
+permissions:
+  contents: read
+  security-events: write
+  actions: read
+
+jobs:
+  analyze:
+    name: Analyze (${{ matrix.language }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [actions, rust]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: github/codeql-action/init@v3
+        with:
+          languages: ${{ matrix.language }}
+          build-mode: none
+      - uses: github/codeql-action/analyze@v3
+        with:
+          category: "/language:${{ matrix.language }}"