diff --git a/package.json b/package.json
index 923787f..7955050 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "scripts": {
     "build:node": "babel dist/esm -d dist/cjs",
     "build:esm": "tsc",
-    "build": "scripts/ts-build.sh",
+    "build": "rm -rf dist && scripts/ts-build.sh",
     "prepare": "npm run build",
     "test": "vitest run test/*",
     "wasm2b64": "node scripts/wasmToB64.js"