diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index cc8d8606..25d87fa2 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -14,7 +14,7 @@ jobs:
         ruby: [ '3.1', '3.2', '3.3' ]
     name: Ruby v${{ matrix.ruby }}
     steps:
-    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
+    - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}