diff --git a/.github/workflows/pr-lint.yml b/.github/workflows/pr-lint.yml
index 63cd17a..b6e821a 100644
--- a/.github/workflows/pr-lint.yml
+++ b/.github/workflows/pr-lint.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
         with:
           fetch-depth: 0
           token: ${{ secrets.GITHUB_TOKEN }}