diff --git a/package.json b/package.json
index 56e1d00..727b711 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
         "@nomiclabs/hardhat-ethers": "^2.0.2",
         "@nomiclabs/hardhat-etherscan": "^2.1.1",
         "@nomiclabs/hardhat-waffle": "^2.0.1",
-        "@openzeppelin/contracts": "^4.0.0",
+        "@openzeppelin/contracts": "^4.4.2",
         "@types/react-pdf": "^5.0.2",
         "@types/shelljs": "^0.8.8",
         "@web3-react/core": "^6.1.9",
diff --git a/yarn.lock b/yarn.lock
index 76e3dc8..fcea389 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1526,10 +1526,10 @@
   resolved "https://registry.yarnpkg.com/@opentelemetry/context-base/-/context-base-0.14.0.tgz#c67fc20a4d891447ca1a855d7d70fa79a3533001"
   integrity sha512-sDOAZcYwynHFTbLo6n8kIbLiVF3a3BLkrmehJUyEbT9F+Smbi47kLGS2gG2g0fjBLR/Lr1InPD7kXL7FaTqEkw==
 
-"@openzeppelin/contracts@^4.0.0":
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.0.0.tgz#54d1de30911635020c383cb73b160b698e7ae179"
-  integrity sha512-UcIJl/vUVjTr3H1yYXZi7Sr2PlXzBEHVUJKOUlVyzyy0FI8oQCCy0Wx+BuK/fojdnmLeMvUk4KUvhKUybP+C7Q==
+"@openzeppelin/contracts@^4.4.2":
+  version "4.4.2"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.4.2.tgz#4e889c9c66e736f7de189a53f8ba5b8d789425c2"
+  integrity sha512-NyJV7sJgoGYqbtNUWgzzOGW4T6rR19FmX1IJgXGdapGPWsuMelGJn9h03nos0iqfforCbCB0iYIR0MtIuIFLLw==
 
 "@popperjs/core@2.4.4":
   version "2.4.4"