diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 54f0fe7..39c36da 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ jobs:
 
       - name: Deploy to GitHub Pages
         if: github.event_name == 'push'
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v3.8.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./public