diff --git a/.github/workflows/markdown-lint.yml b/.github/workflows/markdown-lint.yml
index bb245f5..9be387e 100644
--- a/.github/workflows/markdown-lint.yml
+++ b/.github/workflows/markdown-lint.yml
@@ -16,4 +16,4 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - uses: DavidAnson/markdownlint-cli2-action@v20.0.0
+      - uses: DavidAnson/markdownlint-cli2-action@v21.0.0