diff --git a/.github/workflows/lint_md_changes.yml b/.github/workflows/lint_md_changes.yml
index a3907f04..99b8f949 100644
--- a/.github/workflows/lint_md_changes.yml
+++ b/.github/workflows/lint_md_changes.yml
@@ -21,7 +21,7 @@ jobs:
       with:
         files: '**/*.md'
         separator: ","
-    - uses: DavidAnson/markdownlint-cli2-action@v20
+    - uses: DavidAnson/markdownlint-cli2-action@v21
       if: steps.changed-files.outputs.any_changed == 'true'
       with:
         globs: ${{ steps.changed-files.outputs.all_changed_files }}