diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 4e0faf6..58bacfd 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -56,7 +56,7 @@ jobs:
           name: doc-dev
           path: ./doc-dev
       - name: Deploy dev documentation
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./doc-dev