diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index bfe7c99..ebf7e39 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
       - name: Dependency Review
         uses: actions/dependency-review-action@v4
         with:
diff --git a/.github/workflows/secrets-scan.yml b/.github/workflows/secrets-scan.yml
index 65f5fed..6d5fb5a 100644
--- a/.github/workflows/secrets-scan.yml
+++ b/.github/workflows/secrets-scan.yml
@@ -19,7 +19,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           fetch-depth: 0
       - name: Run gitleaks