diff --git a/package.json b/package.json
index 62598cd7a..2d9dfa929 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
 	},
 	"dependencies": {
 		"@devprotocol/i-s-tokens": "2.0.1",
-		"@openzeppelin/contracts": "2.5.1"
+		"@openzeppelin/contracts": "4.4.2"
 	},
 	"directories": {
 		"doc": "docs",
diff --git a/yarn.lock b/yarn.lock
index d757e3ac4..f26ff7d00 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1391,10 +1391,10 @@
     "@nodelib/fs.scandir" "2.1.3"
     fastq "^1.6.0"
 
-"@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==
 
 "@protobufjs/aspromise@^1.1.1", "@protobufjs/aspromise@^1.1.2":
   version "1.1.2"