diff --git a/vercel.json b/vercel.json
index ebbbedb30..dae54fafc 100644
--- a/vercel.json
+++ b/vercel.json
@@ -1,9 +1,9 @@
 {
   "buildCommand": "npm run build:webapp",
   "devCommand": "npm run dev:webapp",
-  "installCommand": "npm install && npm run bootstrap",
+  "installCommand": "npm install -g yarn && npm install && npm run bootstrap",
   "outputDirectory": "packages/webapp/build",
   "env": {
     "CI": "false"
   }
-}
\ No newline at end of file
+}