diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 98255e3..7847220 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -276,7 +276,7 @@ jobs:
           path: docs
       
       - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./docs