diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index a8c1855..8b48c67 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -83,7 +83,7 @@ jobs:
         run: nox -s 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/_build/html