diff --git a/package-lock.json b/package-lock.json
index 5d11561..134a478 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8703,9 +8703,9 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "3.4.1",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-3.4.1.tgz",
-      "integrity": "sha512-cUriqMauq1ylzP2TxePNdPqkwI7Le3Annh4K9rrpvKfSBB/bdW+Iu1ihBaTIABTAAJ85LmKL5SSPPL9ry8d1gQ==",
+      "version": "4.7.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.3.tgz",
+      "integrity": "sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw==",
       "dev": true
     },
     "@openzeppelin/contracts-upgradeable": {
diff --git a/package.json b/package.json
index 9d06b7a..4196bb5 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "@ls-age/commitlint-circle": "1.0.0",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "@opengsn/gsn": "^2.1.0",
-    "@openzeppelin/contracts": "^3.4.0",
+    "@openzeppelin/contracts": "^4.7.3",
     "@openzeppelin/contracts-upgradeable": "^3.4.0",
     "@openzeppelin/upgrades": "^2.8.0",
     "@typechain/ethers-v5": "^6.0.5",