diff --git a/.github/workflows/bump_nightly_tag.yml b/.github/workflows/bump_nightly_tag.yml
index 54a3970a1cd83dfebb4c23065c082ab7b5b5938f..0959ae9677142cb921dc134672ab84e3f75f9313 100644
--- a/.github/workflows/bump_nightly_tag.yml
+++ b/.github/workflows/bump_nightly_tag.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
         with:
           fetch-depth: 0