diff --git a/.github/workflows/markdown.yml b/.github/workflows/markdown.yml
index dd8177ba..74782f4e 100644
--- a/.github/workflows/markdown.yml
+++ b/.github/workflows/markdown.yml
@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
 
-      - uses: DavidAnson/markdownlint-cli2-action@v20
+      - uses: DavidAnson/markdownlint-cli2-action@v21
         with:
           globs: "**.md"
           config: .markdownlint-cli2.jsonc