diff --git a/package.json b/package.json
index 4334174..044356e 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
     "README.md"
   ],
   "scripts": {
+    "prepare": "npm run build",
     "build": "rollup --config",
     "dev": "rollup --config --watch",
     "test": "echo \"Error: no test specified\" && exit 1",