diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index c4a7565e..e757e0aa 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -29,7 +29,7 @@ jobs:
 
       # 5. Deploy the built app to GitHub Pages
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./build/web