diff --git a/.github/workflows/deploy_docs.yml b/.github/workflows/deploy_docs.yml
index c79367055..4abbd9f5b 100644
--- a/.github/workflows/deploy_docs.yml
+++ b/.github/workflows/deploy_docs.yml
@@ -73,7 +73,7 @@ jobs:
             fi
           done
       - name: Deploy on gh-pages branch
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ${{ env.PUBLIC_DIR }}