diff --git a/package.json b/package.json
index 91668c0ad..d35b744a8 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
     "@nomiclabs/hardhat-etherscan": "^3.1.0",
     "@nomiclabs/hardhat-solhint": "^2.0.1",
     "@nomiclabs/hardhat-waffle": "2.0.4",
-    "@openzeppelin/contracts": "4.5.0",
+    "@openzeppelin/contracts": "4.9.1",
     "@openzeppelin/contracts-upgradeable": "4.5.2",
     "@sentry/hub": "^7.1.1",
     "@sentry/node": "^7.1.1",
diff --git a/yarn.lock b/yarn.lock
index e15bd3e6a..cd3b7c8f0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1251,10 +1251,10 @@
   resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-3.4.2-solc-0.7.tgz#38f4dbab672631034076ccdf2f3201fab1726635"
   integrity sha512-W6QmqgkADuFcTLzHL8vVoNBtkwjvQRpYIAom7KiUNoLKghyx3FgH0GBjt8NRvigV1ZmMOBllvE1By1C+bi8WpA==
 
-"@openzeppelin/contracts@4.5.0":
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.5.0.tgz#3fd75d57de172b3743cdfc1206883f56430409cc"
-  integrity sha512-fdkzKPYMjrRiPK6K4y64e6GzULR7R7RwxSigHS8DDp7aWDeoReqsQI+cxHV1UuhAqX69L1lAaWDxenfP+xiqzA==
+"@openzeppelin/contracts@4.9.1":
+  version "4.9.1"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.9.1.tgz#afa804d2c68398704b0175acc94d91a54f203645"
+  integrity sha512-aLDTLu/If1qYIFW5g4ZibuQaUsFGWQPBq1mZKp/txaebUnGHDmmiBhRLY1tDNedN0m+fJtKZ1zAODS9Yk+V6uA==
 
 "@resolver-engine/core@^0.3.3":
   version "0.3.3"