diff --git a/package.json b/package.json
index 66c95e2..8d399ea 100644
--- a/package.json
+++ b/package.json
@@ -37,10 +37,10 @@
         "build": "truffle compile && typechain --target truffle --outDir types/truffle-contracts './build/contracts/*.json'"
     },
     "peerDependencies": {
-        "@openzeppelin/contracts": "3.2.0"
+        "@openzeppelin/contracts": "4.7.2"
     },
     "devDependencies": {
-        "@openzeppelin/contracts": "3.2.0",
+        "@openzeppelin/contracts": "4.7.2",
         "@openzeppelin/test-helpers": "0.5.6",
         "@truffle/hdwallet-provider": "1.1.1",
         "@types/bignumber.js": "5.0.0",
diff --git a/yarn.lock b/yarn.lock
index ed15eda..8d3f33e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -193,10 +193,10 @@
     fs-extra "^8.1.0"
     try-require "^1.2.1"
 
-"@openzeppelin/contracts@3.2.0":
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-3.2.0.tgz#3e6b3a7662d8ed64271ade96ef42655db983fd9d"
-  integrity sha512-bUOmkSoPkjnUyMiKo6RYnb0VHBk5D9KKDAgNLzF41aqAM3TeE0yGdFF5dVRcV60pZdJLlyFT/jjXIZCWyyEzAQ==
+"@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/test-helpers@0.5.6":
   version "0.5.6"