diff --git a/.github/workflows/security-review.yml b/.github/workflows/security-review.yml
index 4dcd0df..f215627 100644
--- a/.github/workflows/security-review.yml
+++ b/.github/workflows/security-review.yml
@@ -15,7 +15,7 @@ jobs:
       CLAUDE_API_KEY: ${{ secrets.CLAUDE_API_KEY }}
 
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4.3.1
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.3
         with:
           fetch-depth: 0