diff --git a/.github/workflows/deploy_preview.yaml b/.github/workflows/deploy_preview.yaml
index ce963793..89470325 100644
--- a/.github/workflows/deploy_preview.yaml
+++ b/.github/workflows/deploy_preview.yaml
@@ -21,6 +21,8 @@ jobs:
         run: npm install -g vercel
       - name: deploy to vercel as preview
         run: |
+          npm install
+          cd ./packages/mainPage
           vercel pull --yes --token=${{ secrets.VERCEL_TOKEN }}
           vercel build --token=${{ secrets.VERCEL_TOKEN }}
           vercel deploy --prebuilt --token=${{ secrets.VERCEL_TOKEN }}
\ No newline at end of file