diff --git a/package.json b/package.json
index 3123680..8d0c0fe 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   },
   "homepage": "https://github.com/truffle-box/drizzle-box#readme",
   "dependencies": {
-    "@openzeppelin/contracts": "^2.3.0",
+    "@openzeppelin/contracts": "^4.7.2",
     "@openzeppelin/upgrades": "^2.5.3",
     "@truffle/hdwallet-provider": "^1.0.28",
     "truffle-hdwallet-provider": "^1.0.17"
diff --git a/yarn.lock b/yarn.lock
index 717a9c3..21aeb9f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,10 +2,10 @@
 # yarn lockfile v1
 
 
-"@openzeppelin/contracts@^2.3.0":
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-2.4.0.tgz#7270f79ed1463370fe6e664d36a779aa4d3ee896"
-  integrity sha512-xeKP59REgow5TPBJh3S9BRIm7DDG+Rz3Nt4ANWGUkjk4305DHpyUD5CyMJ6nd2JMmZuFyx4mjvvlCtSJLRnN6w==
+"@openzeppelin/contracts@^4.7.2":
+  version "4.7.2"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.7.2.tgz#7587416fe2d35abf574193515b8971bfe9f64bc7"
+  integrity sha512-4n/JL9izql8303mPqPdubuna/DWEMbmOzWYUWyCPhjhiEr2w3nQrjE7vZz1fBF+wzzP6dZbIcsgqACk53c9FGA==
 
 "@openzeppelin/upgrades@^2.5.3":
   version "2.6.0"