diff --git a/package.json b/package.json
index eb29737..98946d5 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   },
   "homepage": "https://github.com/truffle-box/drizzle-box#readme",
   "dependencies": {
-    "@openzeppelin/contracts": "^2.4.0",
+    "@openzeppelin/contracts": "^4.2.0",
     "truffle": "^5.1.10",
     "@truffle/hdwallet-provider": "^1.0.29"
   }
diff --git a/yarn.lock b/yarn.lock
index b91bad9..2bb18c6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -45,10 +45,10 @@
     lodash "^4.17.19"
     to-fast-properties "^2.0.0"
 
-"@openzeppelin/contracts@^2.4.0":
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-2.5.0.tgz#e327a98ba1d26b7756ff62885a0aa0967a375449"
-  integrity sha512-t3jm8FrhL9tkkJTofkznTqo/XXdHi21w5yXwalEnaMOp22ZwZ0f/mmKdlgMMLPFa6bSVHbY88mKESwJT/7m5Lg==
+"@openzeppelin/contracts@^4.2.0":
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.2.0.tgz#260d921d99356e48013d9d760caaa6cea35dc642"
+  integrity sha512-LD4NnkKpHHSMo5z9MvFsG4g1xxZUDqV3A3Futu3nvyfs4wPwXxqOgMaxOoa2PeyGL2VNeSlbxT54enbQzGcgJQ==
 
 "@sindresorhus/is@^0.14.0":
   version "0.14.0"