diff --git a/package-lock.json b/package-lock.json
index 3cfcccf..ba3216c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -288,9 +288,9 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "4.3.1",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.3.1.tgz",
-      "integrity": "sha512-QjgbPPlmDK2clK1hzjw2ROfY8KA5q+PfhDUUxZFEBCZP9fi6d5FuNoh/Uq0oCTMEKPmue69vhX2jcl0N/tFKGw=="
+      "version": "4.7.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.3.tgz",
+      "integrity": "sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw=="
     },
     "@sindresorhus/is": {
       "version": "0.14.0",
diff --git a/package.json b/package.json
index 03ff95a..4261dd0 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@openzeppelin/contracts": "^4.3.1",
+    "@openzeppelin/contracts": "^4.7.3",
     "truffle-assertions": "^0.9.2"
   },
   "devDependencies": {