diff --git a/.github/workflows/markdown-lint.yml b/.github/workflows/markdown-lint.yml
index 2af71dd..e399f9f 100644
--- a/.github/workflows/markdown-lint.yml
+++ b/.github/workflows/markdown-lint.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Check out code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     - name: Lint all markdownfiles
       run: |
         npm install