diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
new file mode 100644
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@@ -0,0 +1,32 @@
+name: zizmor
+
+# Static analysis of GitHub Actions workflows with zizmor
+# (https://docs.zizmor.sh). Results are uploaded as SARIF to
+# Code Scanning; findings do not fail the build.
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+permissions: {}
+
+jobs:
+  zizmor:
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write # SARIF upload to Code Scanning
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        with:
+          persist-credentials: false
+
+      - name: Run zizmor
+        uses: zizmorcore/zizmor-action@5f14fd08f7cf1cb1609c1e344975f152c7ee938d # v0.5.6
+        with:
+          min-severity: low
+          min-confidence: low