diff --git a/contracts/mocks/Testnet/TestnetMemberRoles.sol b/contracts/mocks/Testnet/TestnetMemberRoles.sol
new file mode 100644
index 0000000000..6382576542
--- /dev/null
+++ b/contracts/mocks/Testnet/TestnetMemberRoles.sol
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
+pragma solidity ^0.8.18;
+
+import "../../modules/governance/MemberRoles.sol";
+
+contract TestnetMemberRoles is MemberRoles {
+
+  constructor(address tokenAddress) MemberRoles(tokenAddress) {
+  }
+
+  function joinOnTestnet(address _userAddress) public {
+
+    require(!isMember(_userAddress), "MemberRoles: This address is already a member");
+
+    tokenController().addToWhitelist(_userAddress);
+    _updateRole(_userAddress, uint(Role.Member), true);
+
+    emit MemberJoined(_userAddress, 0);
+  }
+
+}
diff --git a/scripts/deploy/whitelist.js b/scripts/deploy/whitelist.js
new file mode 100644
index 0000000000..ea6bd224b0
--- /dev/null
+++ b/scripts/deploy/whitelist.js
@@ -0,0 +1,30 @@
+const { ethers, network } = require('hardhat');
+
+const MR = '0x055CC48f7968FD8640EF140610dd4038e1b03926';
+const TK = '0xd7c49CEE7E9188cCa6AD8FF264C1DA2e69D4Cf3B';
+
+const main = async () => {
+  console.log(`Starting patch script on ${network.name} network`);
+
+  const mrProxy = await ethers.getContractAt('OwnedUpgradeabilityProxy', MR);
+
+  console.log('Reading owner');
+  const owner = await mrProxy.proxyOwner();
+
+  console.log('Getting a signer');
+  const [signer] = await ethers.getSigners();
+
+  console.log('Deploying new implementation contract');
+  const mrImplementation = await ethers.deployContract('TestnetMemberRoles', [TK], signer);
+
+  console.log('Upgrading proxy');
+  const provider = new ethers.providers.JsonRpcProvider(network.config.url);
+  const mrProxyAsOwner = new ethers.Contract(MR, mrProxy.interface, provider.getSigner(owner));
+  await mrProxyAsOwner.upgradeTo(mrImplementation.address);
+};
+main()
+  .then(() => process.exit(0))
+  .catch(error => {
+    console.error(error);
+    process.exit(1);
+  });