diff --git a/.github/workflows/mkdocs.yml b/.github/workflows/mkdocs.yml
index 0397b112..7d18a9a0 100644
--- a/.github/workflows/mkdocs.yml
+++ b/.github/workflows/mkdocs.yml
@@ -89,7 +89,7 @@ jobs:
 
     - name: Comment preview URL on PR
       if: github.event_name == 'pull_request'
-      uses: actions/github-script@v7
+      uses: actions/github-script@v9
       with:
         script: |
           const branch = '${{ github.head_ref }}'.replace(/[^a-zA-Z0-9-]/g, '-');