diff --git a/package-lock.json b/package-lock.json
index ba7d4ba..982adba 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "ember-assign-helper",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -9170,9 +9170,9 @@
       }
     },
     "engine.io": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.1.0.tgz",
-      "integrity": "sha512-ErhZOVu2xweCjEfYcTdkCnEYUiZgkAcBBAhW4jbIvNG8SLU3orAqoJCiytZjYF7eTpVmmCrLDjLIEaPlUAs1uw==",
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.1.1.tgz",
+      "integrity": "sha512-AyMc20q8JUUdvKd46+thc9o7yCZ6iC6MoBCChG5Z1XmFMpp+2+y/oKvwpZTUJB0KCjxScw1dV9c2h5pjiYBLuQ==",
       "dev": true,
       "requires": {
         "@types/cookie": "^0.4.1",