diff --git a/package.json b/package.json
index 2357126..9250cad 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   ],
   "main": "./lib/index.mjs",
   "scripts": {
-    "prepare": "tsc && shx chmod +x ./lib/index.mjs",
+    "prepare": "tsc --skipLibCheck && chmod +x ./lib/index.mjs",
     "test": "PYTHONPATH= PYTHONHOME= node --experimental-vm-modules node_modules/jest/bin/jest.js --detectOpenHandles --forceExit"
   },
   "author": "Dewei Yen <k@funmula.com>",