diff --git a/package.json b/package.json
index d777465..3ba0cd1 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "private": true,
   "scripts": {
     "postinstall": "pulp dep install",
-    "build": "pulp browserify --to dist/app.js"
+    "build": "pulp browserify --optimise --to dist/app.js"
   },
   "dependencies": {
     "virtual-dom": "^2.1.1"