diff --git a/.github/workflows/cowork-auto-pr.yml b/.github/workflows/cowork-auto-pr.yml
index 83e2d71..b27f04e 100644
--- a/.github/workflows/cowork-auto-pr.yml
+++ b/.github/workflows/cowork-auto-pr.yml
@@ -16,7 +16,7 @@ jobs:
       # without this step every run failed with "not a git repository" and no
       # PR was ever opened (fleet-wide defect: 11/11 seeded copies lacked it).
       - name: Check out the pushed branch
-        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.ref_name }}
           fetch-depth: 0