diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 953533d1..ed231df0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: cancel-previous
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
       - uses: DavidAnson/markdownlint-cli2-action@v20
         with:
           globs: '**/*.md'