diff --git a/OVR Utility Token ERC-20/package-lock.json b/OVR Utility Token ERC-20/package-lock.json
index 16fda37..7477eef 100644
--- a/OVR Utility Token ERC-20/package-lock.json	
+++ b/OVR Utility Token ERC-20/package-lock.json	
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@openzeppelin/contracts": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-2.4.0.tgz",
-      "integrity": "sha512-xeKP59REgow5TPBJh3S9BRIm7DDG+Rz3Nt4ANWGUkjk4305DHpyUD5CyMJ6nd2JMmZuFyx4mjvvlCtSJLRnN6w=="
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.2.tgz",
+      "integrity": "sha512-4n/JL9izql8303mPqPdubuna/DWEMbmOzWYUWyCPhjhiEr2w3nQrjE7vZz1fBF+wzzP6dZbIcsgqACk53c9FGA=="
     },
     "app-module-path": {
       "version": "2.2.0",
diff --git a/OVR Utility Token ERC-20/package.json b/OVR Utility Token ERC-20/package.json
index 97bbd31..cfb1bb7 100644
--- a/OVR Utility Token ERC-20/package.json	
+++ b/OVR Utility Token ERC-20/package.json	
@@ -10,7 +10,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@openzeppelin/contracts": "^2.4.0",
+    "@openzeppelin/contracts": "^4.7.2",
     "truffle": "^5.1.0"
   }
 }