diff --git a/package-lock.json b/package-lock.json
index d48c5673..a479019c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,9 +7,9 @@
     "": {
       "version": "1.0.0",
       "hasInstallScript": true,
-      "license": "MIT",
+      "license": "GPL-3.0",
       "dependencies": {
-        "@openzeppelin/contracts": "^4.3.2",
+        "@openzeppelin/contracts": "^4.9.3",
         "ethlint": "^1.2.5",
         "husky": "^6.0.0",
         "prettier": "^2.3.0",
@@ -21,10 +21,9 @@
       }
     },
     "node_modules/@openzeppelin/contracts": {
-      "version": "4.4.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.4.0.tgz",
-      "integrity": "sha512-dlKiZmDvJnGRLHojrDoFZJmsQVeltVeoiRN7RK+cf2FmkhASDEblE0RiaYdxPNsUZa6mRG8393b9bfyp+V5IAw==",
-      "license": "MIT"
+      "version": "4.9.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.9.3.tgz",
+      "integrity": "sha512-He3LieZ1pP2TNt5JbkPA4PNT9WC3gOTOlDcFGJW4Le4QKqwmiNJCRt44APfxMxvq7OugU/cqYuPcSBzOw38DAg=="
     },
     "node_modules/@solidity-parser/parser": {
       "version": "0.14.0",
@@ -3572,9 +3571,9 @@
   },
   "dependencies": {
     "@openzeppelin/contracts": {
-      "version": "4.4.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.4.0.tgz",
-      "integrity": "sha512-dlKiZmDvJnGRLHojrDoFZJmsQVeltVeoiRN7RK+cf2FmkhASDEblE0RiaYdxPNsUZa6mRG8393b9bfyp+V5IAw=="
+      "version": "4.9.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.9.3.tgz",
+      "integrity": "sha512-He3LieZ1pP2TNt5JbkPA4PNT9WC3gOTOlDcFGJW4Le4QKqwmiNJCRt44APfxMxvq7OugU/cqYuPcSBzOw38DAg=="
     },
     "@solidity-parser/parser": {
       "version": "0.14.0",
diff --git a/package.json b/package.json
index d41fd696..f1cd3fa1 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "author": "Bogdan Kovtun <psirex48@gmail.com>",
   "license": "GPL-3.0",
   "dependencies": {
-    "@openzeppelin/contracts": "^4.3.2",
+    "@openzeppelin/contracts": "^4.9.3",
     "ethlint": "^1.2.5",
     "husky": "^6.0.0",
     "prettier": "^2.3.0",