diff --git a/packages/contracts/package-lock.json b/packages/contracts/package-lock.json
index 584d41913..3499f24b8 100644
--- a/packages/contracts/package-lock.json
+++ b/packages/contracts/package-lock.json
@@ -673,9 +673,9 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-3.3.0.tgz",
-      "integrity": "sha512-AemZEsQYtUp1WRkcmZm1div5ORfTpLquLaziCIrSagjxyKdmObxuaY1yjQ5SHFMctR8rLwp706NXTbiIRJg7pw==",
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-3.4.1.tgz",
+      "integrity": "sha512-cUriqMauq1ylzP2TxePNdPqkwI7Le3Annh4K9rrpvKfSBB/bdW+Iu1ihBaTIABTAAJ85LmKL5SSPPL9ry8d1gQ==",
       "dev": true
     },
     "@openzeppelin/test-helpers": {
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 70c427bad..0594e132b 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -31,7 +31,7 @@
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "@nomiclabs/hardhat-truffle5": "^2.0.0",
     "@nomiclabs/hardhat-web3": "^2.0.0",
-    "@openzeppelin/contracts": "^3.3.0",
+    "@openzeppelin/contracts": "^3.4.1",
     "@openzeppelin/test-helpers": "^0.5.10",
     "eth-gas-reporter": "^0.2.22",
     "hardhat": "^2.1.1",