diff --git a/package.json b/package.json
index 11609bb..0110ac9 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "description": "",
   "main": "index.js",
   "scripts": {
+    "postinstall": "cd backend && npm install && cd ../frontend && npm install",
     "start": "concurrently \"npm run --prefix ./backend/ start\" \"npm run --prefix ./frontend/ start\"",
     "download": "concurrently \"npm run --prefix ./backend/ install\" \"npm run --prefix ./frontend/ install\"",
     "dev": "concurrently \"yarn --cwd ./backend/ develop\" \"yarn --cwd ./frontend/ dev\""