diff --git a/.github/workflows/documentation.yaml b/.github/workflows/documentation.yaml
index 28c8ece..cca9d18 100644
--- a/.github/workflows/documentation.yaml
+++ b/.github/workflows/documentation.yaml
@@ -27,7 +27,7 @@ jobs:
       - name: Sphinx build
         run: pdm run sphinx-build docs/source docs/build
       - name: Deploy to GitHub Pages
-        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