diff --git a/package.json b/package.json
index 6cc5e4d..3751b69 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
   "license": "MIT",
   "scripts": {
     "build": "rollup -c rollup.config.js",
+    "prepublish": "npm run build",
     "test": "jest",
     "lint": "eslint ./src"
   },