diff --git a/.github/workflows/readme-checker.yml b/.github/workflows/readme-checker.yml
index dc7e4f17..5a431ce3 100644
--- a/.github/workflows/readme-checker.yml
+++ b/.github/workflows/readme-checker.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Checkout 
       uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
     - name: Checking markdown
-      uses: DavidAnson/markdownlint-cli2-action@992badcdf24e3b8eb7e87ff9287fe931bcb00c6e # v20.0.0
+      uses: DavidAnson/markdownlint-cli2-action@30a0e04f1870d58f8d717450cc6134995f993c63 # v21.0.0
       with:
         globs: |
           *.md