diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index d6514f3d..32554b4e 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -31,7 +31,7 @@ jobs:
         working-directory: ./website
 
       - 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: ./website/out