diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index c7cb0e0..8b8101f 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -19,7 +19,7 @@ jobs:
           mkdocs build --clean
 
       - name: Deploy to GitHub pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./site