diff --git a/package.json b/package.json
index 173982f..523fc6f 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,6 @@
 {
   "name": "userscripts",
   "version": "1.0.0",
-  "packageManager": "pnpm@9.12.3+sha512.cce0f9de9c5a7c95bef944169cc5dfe8741abfb145078c0d508b868056848a87c81e626246cb60967cbd7fd29a6c062ef73ff840d96b3c86c40ac92cf4a813ee",
   "repository": "git@github.com:mkobayashime/userscripts.git",
   "author": "Masaki Kobayashi <contact@mkobayashi.me>",
   "license": "Apache License 2.0",