diff --git a/package.json b/package.json
index da7fa4a4..dd789b5d 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
         "prepare-release": "npmignore"
     },
     "dependencies": {
-        "@openzeppelin/contracts": "^2.5.1",
+        "@openzeppelin/contracts": "^4.4.2",
         "@openzeppelin/contracts-ethereum-package": "^2.5.0",
         "@openzeppelin/upgrades": "^2.8.0"
     },
diff --git a/yarn.lock b/yarn.lock
index 7458eb85..16c684a4 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@^4.4.2":
+  version "4.4.2"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.4.2.tgz#4e889c9c66e736f7de189a53f8ba5b8d789425c2"
+  integrity sha512-NyJV7sJgoGYqbtNUWgzzOGW4T6rR19FmX1IJgXGdapGPWsuMelGJn9h03nos0iqfforCbCB0iYIR0MtIuIFLLw==
 
 "@openzeppelin/upgrades@^2.8.0":
   version "2.8.0"