diff --git a/.github/workflows/docsite.yml b/.github/workflows/docsite.yml
index 597372a53..d4a5dd9ed 100644
--- a/.github/workflows/docsite.yml
+++ b/.github/workflows/docsite.yml
@@ -39,7 +39,7 @@ jobs:
           name: site
           path: site
       - name: Publish
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           publish_branch: mkdocs
           publish_dir: site