diff --git a/package.json b/package.json
index 9033a041b3..9959016526 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "lint": "eslint .",
     "lint:fix": "npm run lint -- --fix",
     "lint:watch": "watch 'npm run lint --silent' docs gulp src test",
-    "prepublish": "npm run build:dist",
+    "prepublish": "NODE_ENV=production npm run build:dist",
     "release:major": "ta-script npm/release.sh major",
     "release:minor": "ta-script npm/release.sh minor",
     "release:patch": "ta-script npm/release.sh patch",