diff --git a/packages/core/package.json b/packages/core/package.json
index eb38f2f9..9cc6754a 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -7,8 +7,7 @@
     "main": "./dist/index.js",
     "type": "module",
     "scripts": {
-        "build": "tsup",
-        "postbuild": "cp -R bin dist/",
+        "build": "tsup && cp -R bin dist/",
         "test": "vitest run --coverage"
     },
     "exports": {