diff --git a/package.json b/package.json
index d6412915d0..afd45354e7 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "frontend"
   ],
   "scripts": {
-    "postinstall": "cd frontend && yarn install",
+    "postinstall": "cd frontend && yarn install --check-files",
     "dev": "cd frontend && yarn dev",
     "build": "cd frontend && yarn build"
   },