diff --git a/contracts/package-lock.json b/contracts/package-lock.json
index 1581cfec..7301c64f 100644
--- a/contracts/package-lock.json
+++ b/contracts/package-lock.json
@@ -1482,9 +1482,9 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "4.7.3",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.3.tgz",
-      "integrity": "sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw==",
+      "version": "4.9.6",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.9.6.tgz",
+      "integrity": "sha512-xSmezSupL+y9VkHZJGDoCBpmnB2ogM13ccaYDWqJTfS3dbuHkgjuwDFUmaFauBCboQMGB/S5UqUl2y54X99BmA==",
       "dev": true
     },
     "@protobufjs/aspromise": {
diff --git a/contracts/package.json b/contracts/package.json
index 72e905ad..f3897ca8 100644
--- a/contracts/package.json
+++ b/contracts/package.json
@@ -20,7 +20,7 @@
     "@ethersproject/bignumber": "^5.0.8",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "@nomiclabs/hardhat-waffle": "^2.0.1",
-    "@openzeppelin/contracts": "4.7.3",
+    "@openzeppelin/contracts": "4.9.6",
     "@typechain/ethers-v5": "^5.0.0",
     "@types/chai": "^4.2.13",
     "@types/command-line-args": "^5.0.0",