diff --git a/package.json b/package.json
index dc3b1d43..bc8e04b6 100644
--- a/package.json
+++ b/package.json
@@ -90,7 +90,7 @@
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "@nomiclabs/hardhat-truffle5": "^2.0.5",
     "@nomiclabs/hardhat-web3": "^2.0.0",
-    "@openzeppelin/contracts-upgradeable": "4.7.1",
+    "@openzeppelin/contracts-upgradeable": "4.7.3",
     "@openzeppelin/hardhat-upgrades": "^1.19.0",
     "@types/chai": "^4.2.14",
     "@types/chai-as-promised": "^7.1.3",
diff --git a/yarn.lock b/yarn.lock
index 2f4b85f5..d22ac6df 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1186,10 +1186,10 @@
     ethers "^4.0.0-beta.1"
     source-map-support "^0.5.19"
 
-"@openzeppelin/contracts-upgradeable@4.7.1":
-  version "4.7.1"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.7.1.tgz#f63fc384255d6ac139e0a2561aa207fd7c14183c"
-  integrity sha512-5EFiZld3DYFd8aTL8eeMnhnaWh1/oXLXFNuFMrgF3b1DNPshF3LCyO7VR6lc+gac2URJ0BlVcZoCfkk/3MoEfg==
+"@openzeppelin/contracts-upgradeable@4.7.3":
+  version "4.7.3"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.7.3.tgz#f1d606e2827d409053f3e908ba4eb8adb1dd6995"
+  integrity sha512-+wuegAMaLcZnLCJIvrVUDzA9z/Wp93f0Dla/4jJvIhijRrPabjQbZe6fWiECLaJyfn5ci9fqf9vTw3xpQOad2A==
 
 "@openzeppelin/hardhat-upgrades@^1.19.0":
   version "1.19.0"