diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index e83043a..50cba44 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - run: npm install
+      - run: yarn
       - run: npm run docs:build
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3