diff --git a/package.json b/package.json
index da7fa4a4..c3821252 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
         "prepare-release": "npmignore"
     },
     "dependencies": {
-        "@openzeppelin/contracts": "^2.5.1",
+        "@openzeppelin/contracts": "^4.7.2",
         "@openzeppelin/contracts-ethereum-package": "^2.5.0",
         "@openzeppelin/upgrades": "^2.8.0"
     },
diff --git a/yarn.lock b/yarn.lock
index 7458eb85..34dc69c1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1496,10 +1496,10 @@
   resolved "https://registry.yarnpkg.com/@openzeppelin/contracts-ethereum-package/-/contracts-ethereum-package-2.5.0.tgz#cfb4b91f8132edde7e04bcd032575d4c6b544f4a"
   integrity sha512-14CijdTyy4Y/3D3UUeFC2oW12nt1Yq1M8gFOtkuODEvSYPe3YSAKnKyhUeGf0UDNCZzwfGr15KdiFK6AoJjoSQ==
 
-"@openzeppelin/contracts@^2.5.1":
-  version "2.5.1"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-2.5.1.tgz#c76e3fc57aa224da3718ec351812a4251289db31"
-  integrity sha512-qIy6tLx8rtybEsIOAlrM4J/85s2q2nPkDqj/Rx46VakBZ0LwtFhXIVub96LXHczQX0vaqmAueDqNPXtbSXSaYQ==
+"@openzeppelin/contracts@^4.7.2":
+  version "4.7.2"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.7.2.tgz#7587416fe2d35abf574193515b8971bfe9f64bc7"
+  integrity sha512-4n/JL9izql8303mPqPdubuna/DWEMbmOzWYUWyCPhjhiEr2w3nQrjE7vZz1fBF+wzzP6dZbIcsgqACk53c9FGA==
 
 "@openzeppelin/upgrades@^2.8.0":
   version "2.8.0"