diff --git a/package.json b/package.json
index 3e2c035..f32fdf7 100644
--- a/package.json
+++ b/package.json
@@ -87,7 +87,7 @@
     "./package.json": "./package.json"
   },
   "scripts": {
-    "build": "tsup",
+    "build": "node -e \"require('fs').rmSync('dist',{recursive:true,force:true})\" && tsup",
     "dev": "tsup --watch",
     "test": "vitest run",
     "test:watch": "vitest",