diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 7fd9c62..e4edca6 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -31,7 +31,7 @@ jobs:
           sphinx-build -b html docs docs/_build
         working-directory: ${{ github.workspace }}
       - name: Deploy documentation
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./docs/_build/html