diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index bd9ed7f..cdb1e8e 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -28,7 +28,7 @@ jobs:
           npm run build
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./website/build/Mittens