diff --git a/.github/workflows/files.yml b/.github/workflows/files.yml
index 40e2692..b44d3c4 100644
--- a/.github/workflows/files.yml
+++ b/.github/workflows/files.yml
@@ -35,7 +35,7 @@ jobs:
         uses: actions/checkout@v4.2.2
 
       - name: markdownlint-cli2-action
-        uses: DavidAnson/markdownlint-cli2-action@v19.1.0
+        uses: DavidAnson/markdownlint-cli2-action@v20.0.0
 
   editorconfig-checker:
     runs-on: ubuntu-latest