diff --git a/.github/workflows/demo.yml b/.github/workflows/demo.yml
index fc192d23..205ce4b2 100644
--- a/.github/workflows/demo.yml
+++ b/.github/workflows/demo.yml
@@ -25,7 +25,7 @@ jobs:
           node-version: 12
       - run: npm install
       - run: npm run build
-      - uses: peaceiris/actions-gh-pages@v3
+      - uses: peaceiris/actions-gh-pages@v3.8.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./dist