diff --git a/solidity/package-lock.json b/solidity/package-lock.json
index aafaf16a0..1efffb330 100644
--- a/solidity/package-lock.json
+++ b/solidity/package-lock.json
@@ -22,7 +22,7 @@
         "@ethersproject/bignumber": "^5.0.8",
         "@nomiclabs/hardhat-ethers": "^2.0.2",
         "@nomiclabs/hardhat-waffle": "^2.0.1",
-        "@openzeppelin/contracts": "4.3.2",
+        "@openzeppelin/contracts": "4.9.3",
         "@typechain/ethers-v5": "^5.0.0",
         "@types/chai": "^4.2.13",
         "@types/command-line-args": "^5.0.0",
@@ -2373,9 +2373,9 @@
       }
     },
     "node_modules/@openzeppelin/contracts": {
-      "version": "4.3.2",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.3.2.tgz",
-      "integrity": "sha512-AybF1cesONZStg5kWf6ao9OlqTZuPqddvprc0ky7lrUVOjXeKpmQ2Y9FK+6ygxasb+4aic4O5pneFBfwVsRRRg==",
+      "version": "4.9.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.9.3.tgz",
+      "integrity": "sha512-He3LieZ1pP2TNt5JbkPA4PNT9WC3gOTOlDcFGJW4Le4QKqwmiNJCRt44APfxMxvq7OugU/cqYuPcSBzOw38DAg==",
       "dev": true
     },
     "node_modules/@protobufjs/aspromise": {
@@ -32702,9 +32702,9 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "4.3.2",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.3.2.tgz",
-      "integrity": "sha512-AybF1cesONZStg5kWf6ao9OlqTZuPqddvprc0ky7lrUVOjXeKpmQ2Y9FK+6ygxasb+4aic4O5pneFBfwVsRRRg==",
+      "version": "4.9.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.9.3.tgz",
+      "integrity": "sha512-He3LieZ1pP2TNt5JbkPA4PNT9WC3gOTOlDcFGJW4Le4QKqwmiNJCRt44APfxMxvq7OugU/cqYuPcSBzOw38DAg==",
       "dev": true
     },
     "@protobufjs/aspromise": {
diff --git a/solidity/package.json b/solidity/package.json
index 022b6efd4..7b21617a9 100644
--- a/solidity/package.json
+++ b/solidity/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": "4.3.2",
+    "@openzeppelin/contracts": "4.9.3",
     "@typechain/ethers-v5": "^5.0.0",
     "@types/chai": "^4.2.13",
     "@types/command-line-args": "^5.0.0",