diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 169fa24..893c081 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -17,7 +17,7 @@ jobs:
         run: |
           sphinx-build 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/master' }}
         with:
           publish_branch: gh-pages