diff --git a/.github/workflows/promptfoo-code-scan.yml b/.github/workflows/promptfoo-code-scan.yml
new file mode 100644
index 0000000..21bdb55
--- /dev/null
+++ b/.github/workflows/promptfoo-code-scan.yml
@@ -0,0 +1,25 @@
+name: Promptfoo Code Scan
+
+on:
+  pull_request:
+    types: [opened, ready_for_review]
+
+jobs:
+  security-scan:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
+      id-token: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Run Promptfoo Code Scan
+        uses: promptfoo/code-scan-action@v0
+        with:
+          min-severity: medium
+