diff --git a/package.json b/package.json
index 9140bc3..c8d2399 100644
--- a/package.json
+++ b/package.json
@@ -46,6 +46,7 @@
   },
   "scripts": {
     "build": "tsup",
+    "prepack": "npm run build",
     "test": "vitest run",
     "test:watch": "vitest",
     "coverage": "vitest run --coverage",