diff --git a/package.json b/package.json
index e622f04..24b32a8 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "deploy": "./scripts/deploy.sh",
     "lint": "standard --verbose | snazzy",
     "lint:fix": "standard --verbose --fix",
-    "postinstall": "postinstall-build lib",
+    "prepare": "npm run build:lib",
     "prepublish": "npm run clean:lib && npm run build:lib",
     "preversion": "npm run update-schema && npm run build:docs && git add schema.json docs",
     "print-schema": "babel-node scripts/print-schema.js",