diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 11c36c7..5c84d64 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -34,7 +34,7 @@ jobs:
         touch build/html/.nojekyll
 
     - name: Deploy documentation
-      uses: peaceiris/actions-gh-pages@v3.9.3
+      uses: peaceiris/actions-gh-pages@v4.0.0
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: ./docs/build/html