diff --git a/eth-custodian/package.json b/eth-custodian/package.json
index 581c72e..4e71ff9 100644
--- a/eth-custodian/package.json
+++ b/eth-custodian/package.json
@@ -5,7 +5,7 @@
     "license": "MIT",
     "dependencies": {
         "@nomiclabs/hardhat-solhint": "^2.0.0",
-        "@openzeppelin/contracts": "^4.5.0",
+        "@openzeppelin/contracts": "^4.7.2",
         "bs58": "^4.0.1",
         "dotenv": "^8.2.0",
         "eth-object": "https://github.com/near/eth-object",
diff --git a/eth-custodian/yarn.lock b/eth-custodian/yarn.lock
index febc15c..40d13ac 100644
--- a/eth-custodian/yarn.lock
+++ b/eth-custodian/yarn.lock
@@ -759,10 +759,10 @@
     find-up "^4.1.0"
     fs-extra "^8.1.0"
 
-"@openzeppelin/contracts@^4.5.0":
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.5.0.tgz#3fd75d57de172b3743cdfc1206883f56430409cc"
-  integrity sha512-fdkzKPYMjrRiPK6K4y64e6GzULR7R7RwxSigHS8DDp7aWDeoReqsQI+cxHV1UuhAqX69L1lAaWDxenfP+xiqzA==
+"@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/test-helpers@^0.5.10":
   version "0.5.10"