diff --git a/README.md b/README.md
index 019cf7d..95bb4e3 100644
--- a/README.md
+++ b/README.md
@@ -26,10 +26,10 @@ There is Tornado governance proposal for upgrade nova contract on Xdai chain.
 
 ## Deploy
 
-1. Check `config.json` for actual values.
+1. Check `config.js` for actual values. Take `newNovaImpl` address from README of [repository](https://github.com/tornadocash/tornado-nova).
 
 2. Run deploy:
 
 ```
-    npx hardhat run scripts/deploy.js --network <network-name>
+    npx hardhat run scripts/deploy.js --network mainnet
 ```
diff --git a/config.js b/config.js
new file mode 100644
index 0000000..323430d
--- /dev/null
+++ b/config.js
@@ -0,0 +1,13 @@
+module.exports = {
+  gasLimit: 200000,
+
+  // BSC TEST VALUES
+  // novaProxy: "0xC953965A9287d298bbECF13fd59aA3F4cE69d322",
+  // newNovaImpl: "0x75Df5AF045d91108662D8080fD1FEFAd6aA0bb59", // random contract
+  // ethAmbBridge: "0x05185872898b6f94AA600177EF41B9334B1FA48B",
+
+  // MAINNET VALUES
+  novaProxy: '0xD692Fd2D0b2Fbd2e52CFa5B5b9424bC981C30696',
+  newNovaImpl: '0xAEE471D6FD5c6B3f377f45B0a3c705505d172090',
+  ethAmbBridge: '0x4C36d2919e407f0Cc2Ee3c993ccF8ac26d9CE64e',
+}
diff --git a/scripts/deploy.js b/scripts/deploy.js
index dd2b31e..30980e5 100644
--- a/scripts/deploy.js
+++ b/scripts/deploy.js
@@ -1,18 +1,7 @@
 const { ethers } = require('hardhat')
+const config = require('../config')
 
 async function main() {
-  const gasLimit = 200000
-
-  // BSC TEST VALUES
-  const novaProxy = '0xC953965A9287d298bbECF13fd59aA3F4cE69d322' // test one
-  const newNovaImpl = '0x75Df5AF045d91108662D8080fD1FEFAd6aA0bb59' // random contract
-  const ethAmbBridge = '0x05185872898b6f94AA600177EF41B9334B1FA48B' // on bsc
-
-  // MAINNET VALUES
-  // const novaProxy = "0xD692Fd2D0b2Fbd2e52CFa5B5b9424bC981C30696"
-  // const newNovaImpl = "TODO"
-  // const ethAmbBridge = "0x4C36d2919e407f0Cc2Ee3c993ccF8ac26d9CE64e"
-
   const [deployer] = await ethers.getSigners()
 
   console.log('Deploying contracts with the account:', deployer.address)
@@ -20,7 +9,12 @@ async function main() {
   console.log('Account balance:', (await deployer.getBalance()).toString())
 
   const Proposal = await ethers.getContractFactory('NovaUpgradeProposal')
-  const proposal = await Proposal.deploy(novaProxy, newNovaImpl, ethAmbBridge, gasLimit)
+  const proposal = await Proposal.deploy(
+    config.novaProxy,
+    config.newNovaImpl,
+    config.ethAmbBridge,
+    config.gasLimit,
+  )
 
   console.log('Proposal address:', proposal.address)
 }