diff --git a/.github/workflows/pr-lint.yml b/.github/workflows/pr-lint.yml
index 8df8f38..34e702b 100644
--- a/.github/workflows/pr-lint.yml
+++ b/.github/workflows/pr-lint.yml
@@ -21,7 +21,7 @@ jobs:
       pull-requests: write
       statuses: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
       - uses: ivuorinen/actions/pr-lint@8476cd4675ea8210eadf4a267bbeb13bddea4e75 # 25.7.21