diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 106f093..fd3040f 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -36,7 +36,7 @@ jobs:
       - name: Deploy pages
         id: deploy
         if: github.event_name != 'pull_request'
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: docs/public/