diff --git a/package.json b/package.json
index ed5db30..5819d3b 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,6 @@
   "author": "Shinwoo PARK <devpysweb@gmail.com>",
   "license": "MIT",
   "private": true,
-  "packageManager": "yarn@4.4.0+sha512.91d93b445d9284e7ed52931369bc89a663414e5582d00eea45c67ddc459a2582919eece27c412d6ffd1bd0793ff35399381cb229326b961798ce4f4cc60ddfdb",
   "type": "module",
   "scripts": {
     "postinstall": "lefthook install",