diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 103fb1d9..39a242c6 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -58,7 +58,7 @@ jobs:
           make html
 
       - name: Deploy
-        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/