diff --git a/.github/workflows/checkin.yml b/.github/workflows/checkin.yml
index d99d15c..e678e72 100644
--- a/.github/workflows/checkin.yml
+++ b/.github/workflows/checkin.yml
@@ -11,6 +11,8 @@ jobs:
     
     steps:
     - uses: actions/checkout@v1
+    - name: install
+      run: yarn install
     - name: build
       run: yarn build
     - name: test