diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ab8bde7..1d44374 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -46,7 +46,7 @@ jobs:
           mv mend_combined_release_feed.atom docs/atom.xml
 
       - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: docs