diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e1a6d59..b692c8e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -51,7 +51,7 @@ jobs:
 
       - name: Deploy
         if: github.ref == 'refs/heads/main'
-        uses: peaceiris/actions-gh-pages@v3.8.0
+        uses: peaceiris/actions-gh-pages@v3.9.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./site/_build/html