diff --git a/package.json b/package.json
index 0a639c0..1d1c39e 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "@nomiclabs/hardhat-etherscan": "^2.1.7",
     "@nomiclabs/hardhat-waffle": "^2.0.1",
-    "@openzeppelin/contracts": "^4.3.2",
+    "@openzeppelin/contracts": "^4.7.3",
     "@openzeppelin/hardhat-upgrades": "^1.11.0",
     "@tenderly/hardhat-tenderly": "^1.0.12",
     "hardhat": "^2.6.7",
diff --git a/yarn.lock b/yarn.lock
index c52a047..ae43638 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -466,10 +466,10 @@
     "@types/sinon-chai" "^3.2.3"
     "@types/web3" "1.0.19"
 
-"@openzeppelin/contracts@^4.3.2":
-  version "4.3.2"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.3.2.tgz#ff80affd6d352dbe1bbc5b4e1833c41afd6283b6"
-  integrity sha512-AybF1cesONZStg5kWf6ao9OlqTZuPqddvprc0ky7lrUVOjXeKpmQ2Y9FK+6ygxasb+4aic4O5pneFBfwVsRRRg==
+"@openzeppelin/contracts@^4.7.3":
+  version "4.7.3"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.7.3.tgz#939534757a81f8d69cc854c7692805684ff3111e"
+  integrity sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw==
 
 "@openzeppelin/hardhat-upgrades@^1.11.0":
   version "1.11.0"