diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index c3c1d8fc..7d613ca3 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -27,7 +27,7 @@ jobs:
         run: |
           sphinx-build docs/source/ docs/build
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
         with:
           publish_branch: gh-pages