diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
old mode 100755
new mode 100644
index cc7e86d0..64970912
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -616,7 +616,7 @@ jobs:
           ls -lR userguide/
 
       - name: Deploy Docs
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: userguide/