diff --git a/polygon/polygon-truffle/package-lock.json b/polygon/polygon-truffle/package-lock.json
index 588c112..ed7f4e2 100644
--- a/polygon/polygon-truffle/package-lock.json
+++ b/polygon/polygon-truffle/package-lock.json
@@ -5,7 +5,7 @@
   "packages": {
     "": {
       "devDependencies": {
-        "@openzeppelin/contracts": "^4.7.3",
+        "@openzeppelin/contracts": "^4.9.2",
         "@truffle/hdwallet-provider": "^2.1.0",
         "truffle-plugin-verify": "^0.5.31"
       }
@@ -1042,9 +1042,9 @@
       ]
     },
     "node_modules/@openzeppelin/contracts": {
-      "version": "4.7.3",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.3.tgz",
-      "integrity": "sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw==",
+      "version": "4.9.2",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.9.2.tgz",
+      "integrity": "sha512-mO+y6JaqXjWeMh9glYVzVu8HYPGknAAnWyxTRhGeckOruyXQMNnlcW6w/Dx9ftLeIQk6N+ZJFuVmTwF7lEIFrg==",
       "dev": true
     },
     "node_modules/@scure/base": {
@@ -7608,9 +7608,9 @@
       "dev": true
     },
     "@openzeppelin/contracts": {
-      "version": "4.7.3",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.3.tgz",
-      "integrity": "sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw==",
+      "version": "4.9.2",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.9.2.tgz",
+      "integrity": "sha512-mO+y6JaqXjWeMh9glYVzVu8HYPGknAAnWyxTRhGeckOruyXQMNnlcW6w/Dx9ftLeIQk6N+ZJFuVmTwF7lEIFrg==",
       "dev": true
     },
     "@scure/base": {
diff --git a/polygon/polygon-truffle/package.json b/polygon/polygon-truffle/package.json
index 39efbde..3c3e1f9 100644
--- a/polygon/polygon-truffle/package.json
+++ b/polygon/polygon-truffle/package.json
@@ -1,6 +1,6 @@
 {
   "devDependencies": {
-    "@openzeppelin/contracts": "^4.7.3",
+    "@openzeppelin/contracts": "^4.9.2",
     "@truffle/hdwallet-provider": "^2.1.0",
     "truffle-plugin-verify": "^0.5.31"
   }