diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index ed2f95e..10c8bbd 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -39,7 +39,7 @@ jobs:
 
     - name: Deploy documentation to GitHub Pages
       if: github.ref == 'refs/heads/main'
-      uses: peaceiris/actions-gh-pages@v3
+      uses: peaceiris/actions-gh-pages@v4
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: ./target/doc