diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index 7dcb3f1..ac50d2f 100644
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -80,7 +80,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: DavidAnson/markdownlint-cli2-action@v20
+      - uses: DavidAnson/markdownlint-cli2-action@v21
         with:
           globs: '**/*.md'
   yamllint: