diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 359c394..81dbcfc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -80,7 +80,7 @@ jobs:
 
       - name: upload to github pages
         if: github.ref == 'refs/heads/main'
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./docs/_build/html