diff --git a/package-lock.json b/package-lock.json
index 41a5fb4..a5cc9c6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.1",
       "license": "Apache-2.0",
       "dependencies": {
-        "@openzeppelin/contracts": "^4.5.0"
+        "@openzeppelin/contracts": "^4.7.3"
       },
       "devDependencies": {
         "@types/node": "^17.0.21",
@@ -1238,9 +1238,9 @@
       }
     },
     "node_modules/@openzeppelin/contracts": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.5.0.tgz",
-      "integrity": "sha512-fdkzKPYMjrRiPK6K4y64e6GzULR7R7RwxSigHS8DDp7aWDeoReqsQI+cxHV1UuhAqX69L1lAaWDxenfP+xiqzA=="
+      "version": "4.7.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.3.tgz",
+      "integrity": "sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw=="
     },
     "node_modules/@solidity-parser/parser": {
       "version": "0.14.1",
@@ -5544,9 +5544,9 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.5.0.tgz",
-      "integrity": "sha512-fdkzKPYMjrRiPK6K4y64e6GzULR7R7RwxSigHS8DDp7aWDeoReqsQI+cxHV1UuhAqX69L1lAaWDxenfP+xiqzA=="
+      "version": "4.7.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.3.tgz",
+      "integrity": "sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw=="
     },
     "@solidity-parser/parser": {
       "version": "0.14.1",
diff --git a/package.json b/package.json
index cf0a6c3..1b15c6c 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "*.sol": "solhint"
   },
   "dependencies": {
-    "@openzeppelin/contracts": "^4.5.0"
+    "@openzeppelin/contracts": "^4.7.3"
   },
   "devDependencies": {
     "@types/node": "^17.0.21",