diff --git a/package.json b/package.json
index 6588b3108..cdb1d5a6b 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "@nomiclabs/hardhat-ethers": "^2.0.0",
     "@nomiclabs/hardhat-etherscan": "^2.1.0",
     "@nomiclabs/hardhat-waffle": "^2.0.0",
-    "@openzeppelin/contracts": "^3.4.0",
+    "@openzeppelin/contracts": "^4.8.3",
     "@types/chai": "^4.2.14",
     "@types/mocha": "^8.2.0",
     "@types/node": "^14.14.21",
diff --git a/yarn.lock b/yarn.lock
index 7d40ceaf0..bce4ae0a4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -946,10 +946,10 @@
     "@types/sinon-chai" "^3.2.3"
     "@types/web3" "1.0.19"
 
-"@openzeppelin/contracts@^3.4.0":
-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-3.4.1.tgz#03c891fec7f93be0ae44ed74e57a122a38732ce7"
-  integrity sha512-cUriqMauq1ylzP2TxePNdPqkwI7Le3Annh4K9rrpvKfSBB/bdW+Iu1ihBaTIABTAAJ85LmKL5SSPPL9ry8d1gQ==
+"@openzeppelin/contracts@^4.8.3":
+  version "4.8.3"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.8.3.tgz#cbef3146bfc570849405f59cba18235da95a252a"
+  integrity sha512-bQHV8R9Me8IaJoJ2vPG4rXcL7seB7YVuskr4f+f5RyOStSZetwzkWtoqDMl5erkBJy0lDRUnIR2WIkPiC0GJlg==
 
 "@resolver-engine/core@^0.3.3":
   version "0.3.3"