diff --git a/designMode/DecoratorPattern/package-lock.json b/designMode/DecoratorPattern/package-lock.json
index 90ea5d2..f34aeed 100644
--- a/designMode/DecoratorPattern/package-lock.json
+++ b/designMode/DecoratorPattern/package-lock.json
@@ -1160,9 +1160,9 @@
       }
     },
     "acorn": {
-      "version": "6.3.0",
-      "resolved": "http://registry.npm.pt.mi.com/acorn/download/acorn-6.3.0.tgz",
-      "integrity": "sha1-AIdQkRn/pPwKAEHR6TpBfmjLhW4=",
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
       "dev": true
     },
     "ajv": {