diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e59ec5c..382935d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,7 +5,7 @@ jobs:
   yaml-checks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - uses: actions/setup-node@v2-beta
         with:
           node-version: 17.3.0