diff --git a/package.json b/package.json
index 08e572a..b30296d 100644
--- a/package.json
+++ b/package.json
@@ -6,11 +6,11 @@
   "scripts": {
     "start": "node build/.core/index.js",
     "test": "jest",
-    "build": "npm-run-all build:*",
+    "build": "run-s build:*",
     "build:gulp": "cross-env NODE_ENV=production gulp",
     "build:babel-core": "cross-env NODE_ENV=production babel .core --out-dir build/.core",
     "build:babel-reactium_modules": "cross-env NODE_ENV=production babel reactium_modules --out-dir build/reactium_modules",
-    "build:babel-src": "cross-env NODE_ENV=production babel src --out-dir build/src",
+    "build:babel-src": "cross-env NODE_ENV=production babel src --out-dir build/src --copy-files",
     "heroku-prebuild": "npx -p @atomic-reactor/cli arcli install",
     "static": "npm-run-all build:* && gulp static",
     "local": "gulp local",