diff --git a/package-lock.json b/package-lock.json
index 189339f..3b1ed6f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,13 +1,5 @@
 {
   "name": "three-trackballcontrols",
   "version": "0.9.0",
-  "lockfileVersion": 1,
-  "requires": true,
-  "dependencies": {
-    "three": {
-      "version": "0.121.1",
-      "resolved": "https://registry.npmjs.org/three/-/three-0.121.1.tgz",
-      "integrity": "sha512-+rYhNpW5W1aBdLkPQDld/GA4Sj/uOKJJKVpCAZUbpk/HZEiYRUlPt8+s+9nmxRglWmRHdBa3ERvUwqg4nmoA5w=="
-    }
-  }
+  "lockfileVersion": 1
 }