diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index ba5443b..426306a 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -25,7 +25,7 @@ jobs:
       run: sphinx-build docs docs_build
 
     - name: Deploy
-      uses: peaceiris/actions-gh-pages@v3
+      uses: peaceiris/actions-gh-pages@v4
       with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./docs_build