diff --git a/.github/workflows/release-branch.yaml b/.github/workflows/release-branch.yaml
index 5383dfb..829874b 100644
--- a/.github/workflows/release-branch.yaml
+++ b/.github/workflows/release-branch.yaml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
         with:
           fetch-depth: 0