diff --git a/package.json b/package.json
index adb11d1..fdd739a 100644
--- a/package.json
+++ b/package.json
@@ -5,12 +5,14 @@
   "main": "index.js",
   "scripts": {
     "flow": "flow",
-    "build": "npm run build:babel && npm run build:flow",
+    "build":
+      "npm run build:babel && npm run build:flow && npm run build:package-json",
     "build:babel": "babel src/index.js --out-file index.js",
-    "build:babel:watch": "babel src/index.js --watch --out-file index.js",
+    "build:package-json": "node ./resources/clean-package-json.js",
     "build:flow": "cp src/index.js index.js.flow",
     "test": "jest",
-    "ci": "npm run flow check && npm t"
+    "ci": "npm run flow check && npm t",
+    "prepublishOnly": ". ./resources/prepublish.sh"
   },
   "keywords": ["graphql", "graphql-relay"],
   "author": "Dirk-Jan Rutten",