diff --git a/advanced-escrow/package.json b/advanced-escrow/package.json
index 2bc1d1f..007a7c2 100644
--- a/advanced-escrow/package.json
+++ b/advanced-escrow/package.json
@@ -13,7 +13,7 @@
     "@acala-network/eth-providers": "^2.5.9",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "@nomiclabs/hardhat-waffle": "^2.0.1",
-    "@openzeppelin/contracts": "^4.4.2",
+    "@openzeppelin/contracts": "^4.8.3",
     "chai": "~4.3.4",
     "console.mute": "^0.3.0",
     "ethereum-waffle": "~3.4.0",
diff --git a/advanced-escrow/yarn.lock b/advanced-escrow/yarn.lock
index 07ea010..cbe7251 100644
--- a/advanced-escrow/yarn.lock
+++ b/advanced-escrow/yarn.lock
@@ -1151,10 +1151,10 @@
   dependencies:
     "@open-web3/orml-type-definitions" "1.1.4"
 
-"@openzeppelin/contracts@^4.4.2":
-  version "4.8.0"
-  resolved "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.8.0.tgz#6854c37df205dd2c056bdfa1b853f5d732109109"
-  integrity sha512-AGuwhRRL+NaKx73WKRNzeCxOCOCxpaqF+kp8TJ89QzAipSwZy/NoflkWaL9bywXFRhIzXt8j38sfF7KBKCPWLw==
+"@openzeppelin/contracts@^4.8.3":
+  version "4.8.3"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.8.3.tgz#cbef3146bfc570849405f59cba18235da95a252a"
+  integrity sha512-bQHV8R9Me8IaJoJ2vPG4rXcL7seB7YVuskr4f+f5RyOStSZetwzkWtoqDMl5erkBJy0lDRUnIR2WIkPiC0GJlg==
 
 "@polkadot/api-augment@8.14.1":
   version "8.14.1"