diff --git a/package.json b/package.json
index 1c866c7..7d8cbf6 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,7 @@
     "build-babel": "babel --out-dir dist src",
     "build-webpack": "npm run webpack",
     "clean": "rimraf dist embark.min.js",
+    "prepack": "npm run build",
     "server": "http-server",
     "test": "echo \"Error: no test specified\" && exit 1",
     "webpack": "webpack"