diff --git a/contracts/package.json b/contracts/package.json
index 9be8b19b6..21b82c756 100644
--- a/contracts/package.json
+++ b/contracts/package.json
@@ -20,7 +20,7 @@
     "@nomiclabs/hardhat-ethers": "^2.2.1",
     "@nomiclabs/hardhat-truffle5": "^2.0.0",
     "@nomiclabs/hardhat-web3": "^2.0.0",
-    "@openzeppelin/contracts-upgradeable": "^4.8.0",
+    "@openzeppelin/contracts-upgradeable": "^4.9.1",
     "@openzeppelin/hardhat-upgrades": "^1.21.0",
     "@openzeppelin/truffle-upgrades": "^1.17.0",
     "ethereum-waffle": "^3.4.4",
diff --git a/yarn.lock b/yarn.lock
index 69c455767..fa711ded9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2235,10 +2235,10 @@
     mkdirp "^1.0.4"
     rimraf "^3.0.2"
 
-"@openzeppelin/contracts-upgradeable@^4.8.0":
-  version "4.8.0"
-  resolved "https://registry.npmjs.org/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.8.0.tgz"
-  integrity sha512-5GeFgqMiDlqGT8EdORadp1ntGF0qzWZLmEY7Wbp/yVhN7/B3NNzCxujuI77ktlyG81N3CUZP8cZe3ZAQ/cW10w==
+"@openzeppelin/contracts-upgradeable@^4.9.1":
+  version "4.9.1"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.9.1.tgz#03e33b8059ce43884995e69e4479f5a7f084b404"
+  integrity sha512-UZf5/VdaBA/0kxF7/gg+2UrC8k+fbgiUM0Qw1apAhwpBWBxULbsHw0ZRMgT53nd6N8hr53XFjhcWNeTRGIiCVw==
 
 "@openzeppelin/contracts@4.7.3", "openzeppelin-contracts-08@npm:@openzeppelin/contracts@4.7.3":
   version "4.7.3"