diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0a0a783..c69d712 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,7 +39,7 @@ jobs:
           cp build/venn.js public/build/
       - name: Deploy
         if: github.ref == 'refs/heads/main' && github.event_name == 'push'
-        uses: peaceiris/actions-gh-pages@v3.9.3
+        uses: peaceiris/actions-gh-pages@v4.0.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./public