diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 5f715578fb..6535ae3c3a 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -42,7 +42,7 @@ jobs:
 
       - name: Deploy
         if: github.ref == 'refs/heads/master'
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: target/doc