diff --git a/main/accounts/Account/index.ts b/main/accounts/Account/index.ts
index 51db3204a..40d248571 100644
--- a/main/accounts/Account/index.ts
+++ b/main/accounts/Account/index.ts
@@ -1,5 +1,5 @@
 import log from 'electron-log'
-import { isValidAddress, addHexPrefix } from 'ethereumjs-util'
+import { isValidAddress, addHexPrefix } from '@ethereumjs/util'
 
 import { AccessRequest, AccountRequest, Accounts, RequestMode, TransactionRequest } from '..'
 import nebulaApi from '../../nebula'
diff --git a/main/accounts/index.ts b/main/accounts/index.ts
index 8e6d7ccd6..aa8900f3d 100644
--- a/main/accounts/index.ts
+++ b/main/accounts/index.ts
@@ -1,7 +1,7 @@
 import EventEmitter from 'events'
 import log from 'electron-log'
 import { Notification } from 'electron'
-import { addHexPrefix, intToHex} from 'ethereumjs-util'
+import { addHexPrefix, intToHex } from '@ethereumjs/util'
 import { v5 as uuidv5 } from 'uuid'
 
 import provider from '../provider'
diff --git a/main/chains/config/index.ts b/main/chains/config/index.ts
index e784a12f4..e7fd73b5b 100644
--- a/main/chains/config/index.ts
+++ b/main/chains/config/index.ts
@@ -1,12 +1,11 @@
-import { BN } from 'ethereumjs-util'
-import Common from '@ethereumjs/common'
+import { Common } from '@ethereumjs/common'
 
 function chainConfig (chain: number, hardfork: string) {
-  const chainId = new BN(chain)
+  const chainId = BigInt(chain)
 
   return Common.isSupportedChainId(chainId)
-    ? new Common({ chain: chainId.toNumber(), hardfork })
-    : Common.custom({ chainId: chainId.toNumber() }, { baseChain: 'mainnet', hardfork })
+    ? new Common({ chain: chainId, hardfork })
+    : Common.custom({ chainId }, { baseChain: 'mainnet', hardfork })
 }
 
 export default chainConfig
diff --git a/main/chains/index.d.ts b/main/chains/index.d.ts
index 96ec26f1a..1097720f5 100644
--- a/main/chains/index.d.ts
+++ b/main/chains/index.d.ts
@@ -1,4 +1,4 @@
-import Common from '@ethereumjs/common'
+import { Common } from '@ethereumjs/common'
 import { chainsType } from '@ethereumjs/common/dist/types'
 import { EventEmitter } from 'stream'
 
diff --git a/main/chains/index.js b/main/chains/index.js
index 2b6adefdd..f97ee86cb 100644
--- a/main/chains/index.js
+++ b/main/chains/index.js
@@ -1,7 +1,7 @@
 // status = Network Mismatch, Not Connected, Connected, Standby, Syncing
 
 const EventEmitter = require('events')
-const { addHexPrefix } = require('ethereumjs-util')
+const { addHexPrefix } = require('@ethereumjs/util')
 const { Hardfork } = require('@ethereumjs/common')
 const provider = require('eth-provider')
 const log = require('electron-log')
diff --git a/main/contracts/erc20.ts b/main/contracts/erc20.ts
index d1b0a53e1..366d287df 100644
--- a/main/contracts/erc20.ts
+++ b/main/contracts/erc20.ts
@@ -1,7 +1,7 @@
 import { TransactionDescription } from '@ethersproject/abi'
 import { Contract } from '@ethersproject/contracts'
 import { Web3Provider } from '@ethersproject/providers'
-import { addHexPrefix } from 'ethereumjs-util'
+import { addHexPrefix } from '@ethereumjs/util'
 import log from 'electron-log'
 import erc20Abi from '../externalData/balances/erc-20-abi'
 import provider from '../provider'
diff --git a/main/crypt/typedDataUtils.js b/main/crypt/typedDataUtils.js
index da32f8f9b..7adbab4b7 100644
--- a/main/crypt/typedDataUtils.js
+++ b/main/crypt/typedDataUtils.js
@@ -1,6 +1,6 @@
 // Translated to JavaScript from https://github.com/dicether/eip712/blob/master/src/eip712.ts
 const abi = require('ethereumjs-abi')
-const ethUtil = require('ethereumjs-util')
+const ethUtil = require('@ethereumjs/util')
 
 const PRIMITIVE_TYPES = [
   /^bytes[0-9]|[0-2][0-9]|3[0-2]$/,
diff --git a/main/externalData/balances/scan.ts b/main/externalData/balances/scan.ts
index b48bd1b31..86d56621d 100644
--- a/main/externalData/balances/scan.ts
+++ b/main/externalData/balances/scan.ts
@@ -1,7 +1,7 @@
 import BigNumber from 'bignumber.js'
 import { BigNumber as EthersBigNumber } from '@ethersproject/bignumber'
 import { Interface } from '@ethersproject/abi'
-import { addHexPrefix } from 'ethereumjs-util'
+import { addHexPrefix } from '@ethereumjs/util'
 import log from 'electron-log'
 
 import multicall, { Call, supportsChain as multicallSupportsChain } from '../../multicall'
diff --git a/main/multicall/index.ts b/main/multicall/index.ts
index a9c11f3f6..2f3fe6df0 100644
--- a/main/multicall/index.ts
+++ b/main/multicall/index.ts
@@ -1,5 +1,5 @@
 import { Interface } from '@ethersproject/abi'
-import { addHexPrefix } from 'ethereumjs-util'
+import { addHexPrefix } from '@ethereumjs/util'
 import log from 'electron-log'
 
 import type { BytesLike } from '@ethersproject/bytes'
diff --git a/main/provider/helpers.ts b/main/provider/helpers.ts
index 4f70872e3..02b5cd225 100644
--- a/main/provider/helpers.ts
+++ b/main/provider/helpers.ts
@@ -8,7 +8,7 @@ import {
   pubToAddress,
   ecrecover,
   hashPersonalMessage,
-} from 'ethereumjs-util'
+} from '@ethereumjs/util'
 import log from 'electron-log'
 import BN from 'bignumber.js'
 import { v5 as uuidv5 } from 'uuid'
@@ -69,6 +69,11 @@ export function feeTotalOverMax (rawTx: TransactionData, maxTotalFee: number) {
   return totalFee > maxTotalFee
 }
 
+function parseValue(value = '') {
+  const parsedHex = parseInt(value, 16)
+  return (!!parsedHex && addHexPrefix(unpadHexString(value)) || '0x0')
+}
+
 export function getRawTx (newTx: RPC.SendTransaction.TxParams, accountId: string | undefined): TransactionData {
   const { gas, gasLimit, gasPrice, data, value, type, to, ...rawTx } = newTx
   const getNonce = () => {
@@ -84,13 +89,12 @@ export function getRawTx (newTx: RPC.SendTransaction.TxParams, accountId: string
     }
     return addHexPrefix(nonceBN.toString(16))
   }
-  const parsedValue = !value || parseInt(value, 16) === 0 ? '0x0' : addHexPrefix(unpadHexString(value) || '0')
 
   const tx: TransactionData = {
     ...rawTx,
     from: rawTx.from || accountId,
     type: '0x0',
-    value: parsedValue,
+    value: parseValue(value),
     data: addHexPrefix(padToEven(stripHexPrefix(data || '0x'))),
     gasLimit: gasLimit || gas,
     chainId: rawTx.chainId,
@@ -131,7 +135,7 @@ export function getSignedAddress (signed: string, message: string, cb: Callback<
   const r = toBuffer(signature.slice(0, 32))
   const s = toBuffer(signature.slice(32, 64))
   const hash = hashPersonalMessage(toBuffer(message))
-  const verifiedAddress = '0x' + pubToAddress(ecrecover(hash, v, r, s)).toString('hex')
+  const verifiedAddress = '0x' + pubToAddress(ecrecover(hash, BigInt(v), r, s)).toString('hex')
   cb(null, verifiedAddress)
 }
   
diff --git a/main/provider/index.ts b/main/provider/index.ts
index d729cb1b5..944bdf6b1 100644
--- a/main/provider/index.ts
+++ b/main/provider/index.ts
@@ -10,7 +10,7 @@ import {
   isHexString,
   isHexPrefixed,
   fromUtf8,
-} from 'ethereumjs-util'
+} from '@ethereumjs/util'
 
 import store from '../store'
 import packageFile from '../../package.json'
diff --git a/main/reveal/index.ts b/main/reveal/index.ts
index 471d16f4f..078fd4b05 100644
--- a/main/reveal/index.ts
+++ b/main/reveal/index.ts
@@ -2,7 +2,7 @@
 
 import log from 'electron-log'
 import EthereumProvider from 'ethereum-provider'
-import { addHexPrefix } from 'ethereumjs-util'
+import { addHexPrefix } from '@ethereumjs/util'
 import BigNumber from 'bignumber.js'
 
 import proxyConnection from '../provider/proxy'
diff --git a/main/signers/Signer/derive.ts b/main/signers/Signer/derive.ts
index 760403aa1..7a5d0e2d3 100644
--- a/main/signers/Signer/derive.ts
+++ b/main/signers/Signer/derive.ts
@@ -1,6 +1,6 @@
 import HDKey from 'hdkey'
 
-import { publicToAddress, toChecksumAddress } from 'ethereumjs-util'
+import { publicToAddress, toChecksumAddress } from '@ethereumjs/util'
 
 export enum Derivation {
   live = 'live', legacy = 'legacy', standard = 'standard', testnet = 'testnet'
diff --git a/main/signers/Signer/index.ts b/main/signers/Signer/index.ts
index 8ebfa5b07..40afc556a 100644
--- a/main/signers/Signer/index.ts
+++ b/main/signers/Signer/index.ts
@@ -1,6 +1,6 @@
 import log from 'electron-log'
 import EventEmitter from 'stream'
-import { addHexPrefix } from 'ethereumjs-util'
+import { addHexPrefix } from '@ethereumjs/util'
 
 import { deriveHDAccounts } from './derive'
 import crypt from '../../crypt'
diff --git a/main/signers/hot/HotSigner/worker.js b/main/signers/hot/HotSigner/worker.js
index e5b2371ff..e44eada90 100644
--- a/main/signers/hot/HotSigner/worker.js
+++ b/main/signers/hot/HotSigner/worker.js
@@ -1,24 +1,22 @@
 const crypto = require('crypto')
 const { signTypedData } = require('@metamask/eth-sig-util')
 const { TransactionFactory } = require('@ethereumjs/tx')
-const Common = require('@ethereumjs/common').default
-
+const { Common } = require('@ethereumjs/common')
 const {
-  BN,
   hashPersonalMessage,
   toBuffer,
   ecsign,
   addHexPrefix,
   pubToAddress,
   ecrecover
-} = require('ethereumjs-util')
+} = require('@ethereumjs/util')
 
 function chainConfig (chain, hardfork) {
-  const chainId = new BN(chain)
+  const chainId = BigInt(chain)
 
   return Common.isSupportedChainId(chainId)
-    ? new Common({ chain: chainId.toNumber(), hardfork })
-    : Common.custom({ chainId: chainId.toNumber() }, { baseChain: 'mainnet', hardfork })
+    ? new Common({ chain: chainId, hardfork })
+    : Common.custom({ chainId: chainId }, { baseChain: 'mainnet', hardfork })
 }
 
 class HotSignerWorker {
@@ -51,7 +49,7 @@ class HotSignerWorker {
     const signed = ecsign(hash, key)
 
     // Return serialized signed message
-    const hex = Buffer.concat([Buffer.from(signed.r), Buffer.from(signed.s), Buffer.from([signed.v])]).toString('hex')
+    const hex = Buffer.concat([signed.r, signed.s, Buffer.from([Number(signed.v)])]).toString('hex')
 
     pseudoCallback(null, addHexPrefix(hex))
   }
@@ -72,7 +70,7 @@ class HotSignerWorker {
       return pseudoCallback('could not determine chain id for transaction')
     }
 
-    const chainId = parseInt(rawTx.chainId)
+    const chainId = parseInt(rawTx.chainId, 16)
     const hardfork = parseInt(rawTx.type) === 2 ? 'london' : 'berlin'
     const common = chainConfig(chainId, hardfork)
 
@@ -94,7 +92,7 @@ class HotSignerWorker {
       if (signature.length !== 65) return pseudoCallback(new Error('Frame verifyAddress signature has incorrect length'))
       // Verify address
       let v = signature[64]
-      v = v === 0 || v === 1 ? v + 27 : v
+      v = BigInt(v === 0 || v === 1 ? v + 27 : v)
       const r = toBuffer(signature.slice(0, 32))
       const s = toBuffer(signature.slice(32, 64))
       const hash = hashPersonalMessage(toBuffer(message))
diff --git a/main/signers/hot/index.js b/main/signers/hot/index.js
index 1349f778a..5d7141e69 100644
--- a/main/signers/hot/index.js
+++ b/main/signers/hot/index.js
@@ -10,7 +10,7 @@ const crypt = require('../../crypt')
 
 const SeedSigner = require('./SeedSigner')
 const RingSigner = require('./RingSigner')
-const { stripHexPrefix } = require('ethereumjs-util')
+const { stripHexPrefix } = require('@ethereumjs/util')
 
 const USER_DATA = app ? app.getPath('userData') : path.resolve(path.dirname(require.main.filename), '../.userData');
 const SIGNERS_PATH = path.resolve(USER_DATA, 'signers')
diff --git a/main/signers/lattice/Lattice/index.ts b/main/signers/lattice/Lattice/index.ts
index 38661e7c2..f7179f4d5 100644
--- a/main/signers/lattice/Lattice/index.ts
+++ b/main/signers/lattice/Lattice/index.ts
@@ -1,16 +1,17 @@
-import { Client, Utils, Constants } from 'gridplus-sdk'
-import { encode } from 'rlp'
-import { padToEven, addHexPrefix } from 'ethereumjs-util'
-import { hexToInt } from '../../../../resources/utils'
 import log from 'electron-log'
+import { encode } from 'rlp'
+import { Client, Utils, Constants } from 'gridplus-sdk'
+import { padToEven, addHexPrefix } from '@ethereumjs/util'
 import { TypedTransaction } from '@ethereumjs/tx'
 import { SignTypedDataVersion } from '@metamask/eth-sig-util'
 
 import Signer from '../../Signer'
 import { sign, signerCompatibility, londonToLegacy } from '../../../transaction'
-import { TransactionData } from '../../../../resources/domain/transaction'
 import { Derivation, getDerivationPath } from '../../Signer/derive'
+import { hexToInt } from '../../../../resources/utils'
+
 import type { TypedData, TypedMessage } from '../../../accounts/types'
+import type { TransactionData } from '../../../../resources/domain/transaction'
 
 const ADDRESS_LIMIT = 10
 const HARDENED_OFFSET = 0x80000000
diff --git a/main/signers/ledger/Ledger/eth.ts b/main/signers/ledger/Ledger/eth.ts
index 555848b26..1030b7802 100644
--- a/main/signers/ledger/Ledger/eth.ts
+++ b/main/signers/ledger/Ledger/eth.ts
@@ -1,18 +1,19 @@
-import { rlp, addHexPrefix, stripHexPrefix, padToEven } from 'ethereumjs-util'
-import { SignTypedDataVersion, TypedDataUtils } from '@metamask/eth-sig-util'
 import log from 'electron-log'
-
+import { encode } from 'rlp'
+import { addHexPrefix, stripHexPrefix, padToEven } from '@ethereumjs/util'
+import { SignTypedDataVersion, TypedDataUtils } from '@metamask/eth-sig-util'
 import Transport from '@ledgerhq/hw-transport'
 import Eth from '@ledgerhq/hw-app-eth'
 
 import { Derivation, getDerivationPath, deriveHDAccounts } from '../../Signer/derive'
-import { TransactionData } from '../../../../resources/domain/transaction'
 import { sign } from '../../../transaction'
 import { DeviceError } from '.'
+
 import type { TypedData } from '../../../accounts/types'
+import type { TransactionData } from '../../../../resources/domain/transaction'
 
 export default class LedgerEthereumApp {
-  private eth: Eth;
+  private eth: Eth
 
   constructor (transport: Transport) {
     this.eth = new Eth(transport)
@@ -73,7 +74,7 @@ export default class LedgerEthereumApp {
       // legacy transactions aren't RLP encoded before they're returned
       const message = tx.getMessageToSign(false)
       const legacyMessage = message[0] !== tx.type
-      const rawTxHex = legacyMessage ? rlp.encode(message).toString('hex') : message.toString('hex')
+      const rawTxHex = legacyMessage ? Buffer.from(encode(message)).toString('hex') : message.toString('hex')
 
       return this.eth.signTransaction(path, rawTxHex, null)
     })
diff --git a/main/signers/trezor/Trezor/index.ts b/main/signers/trezor/Trezor/index.ts
index 263758de6..4da3b2b93 100644
--- a/main/signers/trezor/Trezor/index.ts
+++ b/main/signers/trezor/Trezor/index.ts
@@ -1,6 +1,6 @@
 import log from 'electron-log'
 import { hexToInt } from '../../../../resources/utils'
-import { padToEven, stripHexPrefix, addHexPrefix } from 'ethereumjs-util'
+import { padToEven, stripHexPrefix, addHexPrefix } from '@ethereumjs/util'
 import { SignTypedDataVersion, TypedDataUtils } from '@metamask/eth-sig-util'
 import type { Device as TrezorDevice } from 'trezor-connect'
 import { TypedTransaction } from '@ethereumjs/tx'
diff --git a/main/transaction/gasCalculator.ts b/main/transaction/gasCalculator.ts
index d2e32e134..fa7149bd6 100644
--- a/main/transaction/gasCalculator.ts
+++ b/main/transaction/gasCalculator.ts
@@ -1,4 +1,4 @@
-import { intToHex } from 'ethereumjs-util'
+import { intToHex } from '@ethereumjs/util'
 
 interface FeeHistoryResponse {
   baseFeePerGas: string[]
diff --git a/main/transaction/index.ts b/main/transaction/index.ts
index a6bbe1648..b0a9ca721 100644
--- a/main/transaction/index.ts
+++ b/main/transaction/index.ts
@@ -1,10 +1,15 @@
-import { BN, addHexPrefix, stripHexPrefix, bnToHex, intToHex } from 'ethereumjs-util'
+import BigNumber from 'bignumber.js'
+import { addHexPrefix, intToHex } from '@ethereumjs/util'
 import { TransactionFactory, TypedTransaction } from '@ethereumjs/tx'
-import Common from '@ethereumjs/common'
+import { Common } from '@ethereumjs/common'
 
-import chainConfig from '../chains/config'
 import { AppVersion, SignerSummary } from '../signers/Signer'
-import { GasFeesSource, TransactionData, typeSupportsBaseFee } from '../../resources/domain/transaction'
+import {
+  GasFeesSource,
+  TransactionData,
+  typeSupportsBaseFee,
+} from '../../resources/domain/transaction'
+import chainConfig from '../chains/config'
 
 const londonHardforkSigners: SignerCompatibilityByVersion = {
   seed: () => true,
@@ -44,11 +49,10 @@ export interface SignerCompatibility  {
   compatible: boolean
 }
 
-function toBN (hexStr: string) {
-  return new BN(stripHexPrefix(hexStr), 'hex')
-}
-
-function signerCompatibility (txData: TransactionData, signer: SignerSummary): SignerCompatibility {
+function signerCompatibility(
+  txData: TransactionData,
+  signer: SignerSummary
+): SignerCompatibility {
   if (typeSupportsBaseFee(txData.type)) {
     const compatible = (signer.type in londonHardforkSigners) && londonHardforkSigners[signer.type](signer.appVersion, signer.model)
     return { signer: signer.type, tx: 'london', compatible }
@@ -87,7 +91,8 @@ function maxFee (rawTx: TransactionData) {
 }
 
 function calculateMaxFeePerGas(maxBaseFee: string, maxPriorityFee: string) {
-  return bnToHex(toBN(maxPriorityFee).add(toBN(maxBaseFee)))
+  const maxFeePerGas = BigNumber(maxPriorityFee).plus(maxBaseFee).toString(16)
+  return addHexPrefix(maxFeePerGas)
 }
 
 function populate (rawTx: TransactionData, chainConfig: Common, gas: GasData): TransactionData {
@@ -100,10 +105,10 @@ function populate (rawTx: TransactionData, chainConfig: Common, gas: GasData): T
     const useFrameGasPrice = !rawTx.gasPrice || isNaN(parseInt(rawTx.gasPrice, 16))
     if (useFrameGasPrice) {
       // no valid dapp-supplied value for gasPrice so we use the Frame-supplied value
-      const gasPrice = toBN(gas.price.levels.fast as string)
-      txData.gasPrice = bnToHex(gasPrice)
+      const gasPrice = BigNumber(gas.price.levels.fast as string).toString(16)
+      txData.gasPrice = addHexPrefix(gasPrice)
       txData.gasFeesSource = GasFeesSource.Frame
-    } 
+    }
 
     return txData
   }
@@ -130,8 +135,10 @@ function populate (rawTx: TransactionData, chainConfig: Common, gas: GasData): T
   txData.maxFeePerGas = useFrameMaxFeePerGas ? calculateMaxFeePerGas(gas.price.fees.maxBaseFeePerGas, maxPriorityFee) : txData.maxFeePerGas
 
   // if no valid dapp-supplied value for maxPriorityFeePerGas we use the Frame-supplied value
-  txData.maxPriorityFeePerGas = useFrameMaxPriorityFeePerGas ? bnToHex(toBN(maxPriorityFee)) : txData.maxPriorityFeePerGas
-  
+  txData.maxPriorityFeePerGas = useFrameMaxPriorityFeePerGas
+    ? addHexPrefix(BigNumber(maxPriorityFee).toString(16))
+    : txData.maxPriorityFeePerGas
+
   return txData
 }
 
@@ -144,7 +151,7 @@ function hexifySignature ({ v, r, s }: Signature) {
 }
 
 async function sign (rawTx: TransactionData, signingFn: (tx: TypedTransaction) => Promise<Signature>) {
-  const common = chainConfig(parseInt(rawTx.chainId), parseInt(rawTx.type) === 2 ? 'london' : 'berlin')
+  const common = chainConfig(parseInt(rawTx.chainId, 16), parseInt(rawTx.type, 16) === 2 ? 'london' : 'berlin')
 
   const tx = TransactionFactory.fromTxData(rawTx, { common })
 
@@ -153,8 +160,8 @@ async function sign (rawTx: TransactionData, signingFn: (tx: TypedTransaction) =
 
     return TransactionFactory.fromTxData(
       {
-      ...rawTx,
-      ...signature
+        ...rawTx,
+        ...signature
       },
       { common }
     )
diff --git a/package-lock.json b/package-lock.json
index 3334eadde..d3373c683 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,8 +11,9 @@
       "license": "GPL-3.0",
       "dependencies": {
         "@aragon/wrapper": "5.5.3",
-        "@ethereumjs/common": "2.6.5",
-        "@ethereumjs/tx": "3.5.1",
+        "@ethereumjs/common": "3.0.1",
+        "@ethereumjs/tx": "4.0.1",
+        "@ethereumjs/util": "8.0.2",
         "@ethersproject/contracts": "5.7.0",
         "@ethersproject/providers": "5.7.2",
         "@framelabs/pylon-client": "0.0.9",
@@ -35,7 +36,6 @@
         "electron-updater": "5.3.0",
         "eth-ens-namehash": "2.0.8",
         "eth-provider": "0.13.6",
-        "ethereumjs-util": "7.1.5",
         "ethers": "5.7.2",
         "extract-zip": "2.0.1",
         "fs-extra": "10.1.0",
@@ -206,9 +206,9 @@
       }
     },
     "node_modules/@babel/compat-data": {
-      "version": "7.20.1",
-      "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.20.1.tgz",
-      "integrity": "sha512-EWZ4mE2diW3QALKvDMiXnbZpRvlj+nayZ112nK93SnhqOtpdsbVD4W+2tEoT3YNBAG9RBR0ISY758ZkOgsn6pQ==",
+      "version": "7.20.5",
+      "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.20.5.tgz",
+      "integrity": "sha512-KZXo2t10+/jxmkhNXc7pZTqRvSOIvVv/+lJwHS+B2rErwOyjuVRh60yVpb7liQ1U5t7lLJ1bz+t8tSypUZdm0g==",
       "engines": {
         "node": ">=6.9.0"
       }
@@ -251,11 +251,11 @@
       }
     },
     "node_modules/@babel/generator": {
-      "version": "7.20.4",
-      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.20.4.tgz",
-      "integrity": "sha512-luCf7yk/cm7yab6CAW1aiFnmEfBJplb/JojV56MYEK7ziWfGmFlTfmL9Ehwfy4gFhbjBfWO1wj7/TuSbVNEEtA==",
+      "version": "7.20.5",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.20.5.tgz",
+      "integrity": "sha512-jl7JY2Ykn9S0yj4DQP82sYvPU+T3g0HFcWTqDLqiuA9tGRNIj9VfbtXGAYTTkyNEnQk1jkMGOdYka8aG/lulCA==",
       "dependencies": {
-        "@babel/types": "^7.20.2",
+        "@babel/types": "^7.20.5",
         "@jridgewell/gen-mapping": "^0.3.2",
         "jsesc": "^2.5.1"
       },
@@ -327,9 +327,9 @@
       }
     },
     "node_modules/@babel/helper-create-class-features-plugin": {
-      "version": "7.20.2",
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     "node_modules/lightningcss-win32-x64-msvc": {
-      "version": "1.16.1",
-      "resolved": "https://registry.npmjs.org/lightningcss-win32-x64-msvc/-/lightningcss-win32-x64-msvc-1.16.1.tgz",
-      "integrity": "sha512-Djy+UzlTtJMayVJU3eFuUW5Gdo+zVTNPJhlYw25tNC9HAoMCkIdSDDrGsWEdEyibEV7xwB8ySTmLuxilfhBtgg==",
+      "version": "1.17.0",
+      "resolved": "https://registry.npmjs.org/lightningcss-win32-x64-msvc/-/lightningcss-win32-x64-msvc-1.17.0.tgz",
+      "integrity": "sha512-PbG+MTGVmIM0oEPUEBECnnYH4E+wlABWf98n0O7BJhoX4jcakbqn6v1LdIT6ogE/5T4i9HAlnr7k/J9M5u4qww==",
       "cpu": [
         "x64"
       ],
@@ -20931,6 +21033,11 @@
       "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
       "integrity": "sha512-nSVgobk4rv61R9PUSDtYt7mPVB2olxNR5RWJcAsH676/ef11bUZwvu7+RGYrYauVdDPcO519v68wRhXQtxsV9w=="
     },
+    "node_modules/merkle-patricia-tree/node_modules/bn.js": {
+      "version": "4.12.0",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
+    },
     "node_modules/merkle-patricia-tree/node_modules/ethereum-cryptography": {
       "version": "0.1.3",
       "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz",
@@ -20967,11 +21074,6 @@
         "safe-buffer": "^5.1.1"
       }
     },
-    "node_modules/merkle-patricia-tree/node_modules/ethereumjs-util/node_modules/bn.js": {
-      "version": "4.12.0",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
-      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
-    },
     "node_modules/merkle-patricia-tree/node_modules/rlp": {
       "version": "2.2.7",
       "resolved": "https://registry.npmjs.org/rlp/-/rlp-2.2.7.tgz",
@@ -20983,6 +21085,11 @@
         "rlp": "bin/rlp"
       }
     },
+    "node_modules/merkle-patricia-tree/node_modules/rlp/node_modules/bn.js": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.2.1.tgz",
+      "integrity": "sha512-eXRvHzWyYPBuB4NBy0cmYQjGitUrtqwbvlzP3G6VFnNRbsZQIxQ10PbKKHt8gZ/HW/D/747aDl+QkDqg3KQLMQ=="
+    },
     "node_modules/methods": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz",
@@ -21408,9 +21515,9 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
     "node_modules/msgpackr": {
-      "version": "1.8.0",
-      "resolved": "https://registry.npmjs.org/msgpackr/-/msgpackr-1.8.0.tgz",
-      "integrity": "sha512-1Cos3r86XACdjLVY4CN8r72Cgs5lUzxSON6yb81sNZP9vC9nnBrEbu1/ldBhuR9BKejtoYV5C9UhmYUvZFJSNQ==",
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/msgpackr/-/msgpackr-1.8.1.tgz",
+      "integrity": "sha512-05fT4J8ZqjYlR4QcRDIhLCYKUOHXk7C/xa62GzMKj74l3up9k2QZ3LgFc6qWdsPHl91QA2WLWqWc8b8t7GLNNw==",
       "dev": true,
       "optionalDependencies": {
         "msgpackr-extract": "^2.2.0"
@@ -21442,6 +21549,7 @@
       "version": "10.0.1",
       "resolved": "https://registry.npmjs.org/multiaddr/-/multiaddr-10.0.1.tgz",
       "integrity": "sha512-G5upNcGzEGuTHkzxezPrrD6CaIHR9uo+7MwqhNVcXTs33IInon4y7nMiGxl2CY5hG7chvYQUQhz5V52/Qe3cbg==",
+      "deprecated": "This module is deprecated, please upgrade to @multiformats/multiaddr",
       "dependencies": {
         "dns-over-http-resolver": "^1.2.3",
         "err-code": "^3.0.1",
@@ -21455,6 +21563,7 @@
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/multiaddr-to-uri/-/multiaddr-to-uri-8.0.0.tgz",
       "integrity": "sha512-dq4p/vsOOUdVEd1J1gl+R2GFrXJQH8yjLtz4hodqdVbieg39LvBOdMQRdQnfbg5LSM/q1BYNVf5CBbwZFFqBgA==",
+      "deprecated": "This module is deprecated, please upgrade to @multiformats/multiaddr-to-uri",
       "dependencies": {
         "multiaddr": "^10.0.0"
       }
@@ -28327,11 +28436,6 @@
         "ethereumjs-util": "^7.1.2"
       }
     },
-    "node_modules/web3-eth-accounts/node_modules/bn.js": {
-      "version": "4.12.0",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
-      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
-    },
     "node_modules/web3-eth-accounts/node_modules/eth-lib": {
       "version": "0.2.8",
       "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.8.tgz",
@@ -28342,6 +28446,11 @@
         "xhr-request-promise": "^0.1.2"
       }
     },
+    "node_modules/web3-eth-accounts/node_modules/eth-lib/node_modules/bn.js": {
+      "version": "4.12.0",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
+    },
     "node_modules/web3-eth-contract": {
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/web3-eth-contract/-/web3-eth-contract-1.8.1.tgz",
diff --git a/package.json b/package.json
index 30b890cf5..2c28e42b8 100644
--- a/package.json
+++ b/package.json
@@ -58,8 +58,9 @@
   "license": "GPL-3.0",
   "dependencies": {
     "@aragon/wrapper": "5.5.3",
-    "@ethereumjs/common": "2.6.5",
-    "@ethereumjs/tx": "3.5.1",
+    "@ethereumjs/common": "3.0.1",
+    "@ethereumjs/tx": "4.0.1",
+    "@ethereumjs/util": "8.0.2",
     "@ethersproject/contracts": "5.7.0",
     "@ethersproject/providers": "5.7.2",
     "@framelabs/pylon-client": "0.0.9",
@@ -82,7 +83,6 @@
     "electron-updater": "5.3.0",
     "eth-ens-namehash": "2.0.8",
     "eth-provider": "0.13.6",
-    "ethereumjs-util": "7.1.5",
     "ethers": "5.7.2",
     "extract-zip": "2.0.1",
     "fs-extra": "10.1.0",
diff --git a/resources/colors/index.ts b/resources/colors/index.ts
index b451c5286..a0dfbd6ad 100644
--- a/resources/colors/index.ts
+++ b/resources/colors/index.ts
@@ -1,4 +1,4 @@
-import { padToEven } from 'ethereumjs-util'
+import { padToEven } from '@ethereumjs/util'
 
 const light: ColorwayPalette = {
   accent1: { r: 0, g: 170, b: 120 },
diff --git a/resources/utils/index.ts b/resources/utils/index.ts
index 40b308a47..2f9eb37a1 100644
--- a/resources/utils/index.ts
+++ b/resources/utils/index.ts
@@ -1,5 +1,5 @@
 import { randomInt } from 'crypto'
-import { addHexPrefix, intToHex, stripHexPrefix } from 'ethereumjs-util'
+import { addHexPrefix, intToHex, stripHexPrefix } from '@ethereumjs/util'
 import { getAddress as getChecksumAddress } from '@ethersproject/address';
 
 const weiToGwei = (wei: number) => wei / 1e9
diff --git a/test/app/App/Account/Account/Requests/TransactionRequest/AdjustFee/index.test.js b/test/app/App/Account/Account/Requests/TransactionRequest/AdjustFee/index.test.js
index 412b31cba..941139faa 100644
--- a/test/app/App/Account/Account/Requests/TransactionRequest/AdjustFee/index.test.js
+++ b/test/app/App/Account/Account/Requests/TransactionRequest/AdjustFee/index.test.js
@@ -1,6 +1,6 @@
 import React from 'react'
 import Restore from 'react-restore'
-import { addHexPrefix } from 'ethereumjs-util'
+import { addHexPrefix } from '@ethereumjs/util'
 import BigNumber from 'bignumber.js'
 
 import store from '../../../../../../../../main/store'
diff --git a/test/app/App/Account/Account/Requests/TransactionRequest/TxFeeNew/index.test.js b/test/app/App/Account/Account/Requests/TransactionRequest/TxFeeNew/index.test.js
index 6af3909fa..23a4b6680 100644
--- a/test/app/App/Account/Account/Requests/TransactionRequest/TxFeeNew/index.test.js
+++ b/test/app/App/Account/Account/Requests/TransactionRequest/TxFeeNew/index.test.js
@@ -1,6 +1,6 @@
 import React from 'react'
 import Restore from 'react-restore'
-import { addHexPrefix } from 'ethereumjs-util'
+import { addHexPrefix } from '@ethereumjs/util'
 
 import store from '../../../../../../../../main/store'
 import { setupComponent } from '../../../../../../../componentSetup'
diff --git a/test/app/App/Panel/Main/Account/Requests/TransactionRequest/TxApproval/approvals/TokenSpend/index.test.js b/test/app/App/Panel/Main/Account/Requests/TransactionRequest/TxApproval/approvals/TokenSpend/index.test.js
index 24d743417..a231577db 100644
--- a/test/app/App/Panel/Main/Account/Requests/TransactionRequest/TxApproval/approvals/TokenSpend/index.test.js
+++ b/test/app/App/Panel/Main/Account/Requests/TransactionRequest/TxApproval/approvals/TokenSpend/index.test.js
@@ -1,6 +1,6 @@
 import React from 'react'
 import { fireEvent, render } from '@testing-library/react'
-import { addHexPrefix } from 'ethereumjs-util'
+import { addHexPrefix } from '@ethereumjs/util'
 
 import Restore from 'react-restore'
 import store from '../../../../../../../../../../../main/store'
diff --git a/test/main/accounts/index.test.js b/test/main/accounts/index.test.js
index fca48093e..a51e26d10 100644
--- a/test/main/accounts/index.test.js
+++ b/test/main/accounts/index.test.js
@@ -1,5 +1,5 @@
 import log from 'electron-log'
-import { addHexPrefix } from 'ethereumjs-util'
+import { addHexPrefix } from '@ethereumjs/util'
 import BigNumber from 'bignumber.js'
 
 import store from '../../../main/store'
diff --git a/test/main/chains/config/index.test.js b/test/main/chains/config/index.test.js
index 271c588ef..e23818b1c 100644
--- a/test/main/chains/config/index.test.js
+++ b/test/main/chains/config/index.test.js
@@ -4,7 +4,7 @@ describe('polygon', () => {
   it('sets the chain id', () => {
     const config = chainConfig(137)
 
-    expect(config.chainIdBN().toNumber()).toBe(137)
+    expect(config.chainId()).toBe(BigInt(137))
   })
 
   it('sets EIP-1559 to be disabled by default', () => {
diff --git a/test/main/chains/index.test.js b/test/main/chains/index.test.js
index cc597c466..de7f276ba 100644
--- a/test/main/chains/index.test.js
+++ b/test/main/chains/index.test.js
@@ -1,5 +1,5 @@
 import EventEmitter from 'events'
-import { addHexPrefix } from 'ethereumjs-util'
+import { addHexPrefix } from '@ethereumjs/util'
 import log from 'electron-log'
 
 import store from '../../../main/store'
diff --git a/test/main/externalData/balances/scan.test.js b/test/main/externalData/balances/scan.test.js
index 90a543109..da05a6b0a 100644
--- a/test/main/externalData/balances/scan.test.js
+++ b/test/main/externalData/balances/scan.test.js
@@ -3,7 +3,7 @@ import multicall, { supportsChain } from '../../../../main/multicall'
 
 import log from 'electron-log'
 import { ethers } from 'ethers'
-import { addHexPrefix, padToEven } from 'ethereumjs-util'
+import { addHexPrefix, padToEven } from '@ethereumjs/util'
 import ethProvider from 'eth-provider'
 import BigNumber from 'bignumber.js'
 
diff --git a/test/main/provider/helpers.test.js b/test/main/provider/helpers.test.js
index cc092e131..e20e529de 100644
--- a/test/main/provider/helpers.test.js
+++ b/test/main/provider/helpers.test.js
@@ -1,5 +1,5 @@
 import log from 'electron-log'
-import { fromUtf8 } from 'ethereumjs-util'
+import { fromUtf8 } from '@ethereumjs/util'
 import { getRawTx, getSignedAddress, processTxForGasFees } from '../../../main/provider/helpers'
 import store from '../../../main/store'
 import { GasFeesSource } from '../../../resources/domain/transaction'
diff --git a/test/main/provider/index.test.js b/test/main/provider/index.test.js
index a99a83e95..d3effbb53 100644
--- a/test/main/provider/index.test.js
+++ b/test/main/provider/index.test.js
@@ -9,7 +9,7 @@ import { Type as SignerType } from '../../../resources/domain/signer'
 
 import { validate as validateUUID } from 'uuid'
 import { utils } from 'ethers'
-import { addHexPrefix } from 'ethereumjs-util'
+import { addHexPrefix } from '@ethereumjs/util'
 import log from 'electron-log'
 import { SignTypedDataVersion } from '@metamask/eth-sig-util'
 
diff --git a/test/main/signers/hot/HotSigner/worker.test.js b/test/main/signers/hot/HotSigner/worker.test.js
index a10ad2077..200c637bb 100644
--- a/test/main/signers/hot/HotSigner/worker.test.js
+++ b/test/main/signers/hot/HotSigner/worker.test.js
@@ -32,14 +32,14 @@ describe('#signTransaction', () => {
 
   const chains = [
     { name: 'mainnet', chainId: 1, expectedSignature: '0xf8698084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f480008025a0c8ca5f76f568578bebbdfc257be09d8e8a4512d0ffd45e991da86be8141d97e0a037179047d9810e211657d9dd60d4bac66ed576fd65ef65a55f007314587036ec' },
-    { name: 'rinkeby', chainId: 4, expectedSignature: '0xf8698084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f48000802ca0c711e0a0f6881bb8a4b8fff57f2ddd7539a1f72acd59706b2e2765c16dc05155a0698f6af80657857a0e8ba47632995fbec987bc427abf88d1c1c65c80dd67c8b9' },
     { name: 'goerli', chainId: 5, expectedSignature: '0xf8698084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f48000802da074c3b69fa979e92253c7f66d323f91f7f11eb16dd2b4838a274b584ddb708895a03e76e91351b2be3fd4a065195a0c71a4359d0fe4230f5f3ae457b2cb5a30bf03' },
-    { name: 'optimism', chainId: 10, expectedSignature: '0xf8698084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f480008024a0ac95e29896e43248e2e91cbedb4fb367c3a4bf3100ac55ebf914ed8582f4e189a0240abc49b1178721a08cba8c95aea43f2a6daf2da34f7c9641fc1de253edada8' },
-    { name: 'optimistic kovan', chainId: 69, expectedSignature: '0xf8698084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f48000807ea08e096de4291afc19b88e46fa0bfb4e9d5a1073fb9e9534f7c0cb89ff81641a1ba05b357d98228466f265b4e782b80d78baba244af2fb335b77754a82fff471a0a4' },
-    { name: 'xdai', chainId: 100, expectedSignature: '0xf86a8084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f480008081a3a0de2c8b5a1ecccdb10fe7e524ff751cd15c8f93284c7cbb7de2a13a0e481bac83a01260a408c58b7d783be08fe6d073b5390581225ec48e8b9fafe97ce096870c89' },
-    { name: 'polygon', chainId: 137, expectedSignature: '0xf86a8084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f480008081d5a0d62d318003814f6ba963495353111d6923207ba972b539c49d89ad06a9062f2da00ff0ec849d44a6768262fafb040e343e2d2472c4eee8c833eacb2321038c7737' },
-    { name: 'arbitrum', chainId: 42161, expectedSignature: '0xf8698084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f480008024a0ac95e29896e43248e2e91cbedb4fb367c3a4bf3100ac55ebf914ed8582f4e189a0240abc49b1178721a08cba8c95aea43f2a6daf2da34f7c9641fc1de253edada8' },
-    { name: 'polygon-mumbai', chainId: 80001, expectedSignature: '0xf86b8084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f4800080826c95a0202d3b445db101e46ed9f91c6849117efa00a98fb52da4612d2790de1e1f6749a01a050bcb2819efe1bfd1276aa1fcc7ee66cd700a52f261cabb376f4e75d660be' }
+    { name: 'optimism', chainId: 10, expectedSignature: '0xf8698084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f480008037a06340cc640986ddbc095d65bdd5217e4f25168e0fb7d097e4f6ce1c739e4adb96a0645e1173cf2fdc318c4af839dd52a3dc408b0c60b0246e96a0b0f5bf7edbe614' },
+    { name: 'optimistic kovan', chainId: 69, expectedSignature: '0xf86a8084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f480008081aea0a0df2fd26c2f8a5e9531d6cbe7c8246d2f82a1524e17c545076e7637e0dcf338a028629bc1ae46c5e27eeb2cb41b9a87618e2224778138be8cb4e5c17d1c8d3494' },
+    { name: 'xdai', chainId: 100, expectedSignature: '0xf86a8084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f480008081eba021839bde3d4c41b1fb83c5c97e7d9cb4f4d4fc86fc338faa44a3a223db4213a5a0157a154afec7aa17cd94f9c7a6a1545f701a99f0e1edb4997504eb9fd3ad8813' },
+    { name: 'polygon', chainId: 137, expectedSignature: '0xf86b8084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f4800080820135a09235ef8a65bff6d8e117bd13653fafcb2225763f4a11aa29886464530e009cfaa03fcd6b8ac39c1b3f375efcd3e4558b5c44cf167f2de800a63a008a86ed3dba25' },
+    { name: 'arbitrum', chainId: 42161, expectedSignature: '0xf86c8084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f480008083014985a07f874b1f31b10c8ec507f74a3803f6d6a52e93790e9e502bcf74b2cc07bb169aa013ff12c35ed91966d8e3f042971c0fab1d236f5888af7315007baa0eab0938c9' },
+    { name: 'polygon-mumbai', chainId: 80001, expectedSignature: '0xf86c8084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f480008083027126a00f42c66986e1d7ca6e77891e3cf0cd8fe360ed0a92732523bf29756f18e37255a07688e781db1d625a2c4234c5a61c3a9093643a326060caf5b58ad05fdf1f4233' },
+    { name: 'sepolia', chainId: 11155111, expectedSignature: '0xf86d8084b2d05e0082520894be188d6641e8b680743a4815dfa0f6208038960f86b5e620f48000808401546d72a0cf0656010c7e68ba6ad17a528f1e0280ec7b96ae93a2edbee399e771a2d46c85a07d77731cb4218a55bccc690d49238a82bc3051884356eb57bc2e582b57d5a46a' }
   ]
 
   chains.forEach(chain => {
diff --git a/test/main/signers/lattice/Lattice/index.test.js b/test/main/signers/lattice/Lattice/index.test.js
index 3d9cbcdb3..64b6eedb5 100644
--- a/test/main/signers/lattice/Lattice/index.test.js
+++ b/test/main/signers/lattice/Lattice/index.test.js
@@ -549,14 +549,19 @@ describe('#signTransaction', () => {
         expect(opts.data.signerPath[4]).toBe(4)
         expect(parseInt(opts.data.chainId)).toBe(137)
 
-        return expectedSignature
+        return {
+          sig: {
+            ...expectedSignature.sig,
+            v: Buffer.from('1b', 'hex')
+          }
+        }
       } catch (e) { done(e) }
     })
 
     lattice.signTransaction(4, txToSign, (err, res) => {
       try {
         expect(err).toBe(null)
-        expect(res).toBe('0xcf80808080808080833ea8cd8396f7a0')
+        expect(res).toBe('0xcf8080808080801b833ea8cd8396f7a0')
         done()
       } catch (e) { done(e) }
     })
diff --git a/test/main/store/actions/index.test.js b/test/main/store/actions/index.test.js
index 7d1298796..4278b2fbe 100644
--- a/test/main/store/actions/index.test.js
+++ b/test/main/store/actions/index.test.js
@@ -1,6 +1,6 @@
 import BigNumber from 'bignumber.js'
 import log from 'electron-log'
-import { addHexPrefix } from 'ethereumjs-util'
+import { addHexPrefix } from '@ethereumjs/util'
 
 import {
   addNetwork as addNetworkAction,
diff --git a/test/main/transaction/index.test.js b/test/main/transaction/index.test.js
index b0ce648c3..454b5834c 100644
--- a/test/main/transaction/index.test.js
+++ b/test/main/transaction/index.test.js
@@ -1,5 +1,5 @@
-import { addHexPrefix, stripHexPrefix } from 'ethereumjs-util'
-import Common from '@ethereumjs/common'
+import { addHexPrefix, stripHexPrefix } from '@ethereumjs/util'
+import { Common } from '@ethereumjs/common'
 
 import { maxFee, londonToLegacy, signerCompatibility, populate, sign } from '../../../main/transaction'
 import { GasFeesSource } from '../../../resources/domain/transaction'
@@ -415,6 +415,7 @@ describe('#populate', () => {
 
 describe('#sign', () => {
   const baseTx = {
+    chainId: '0x1',
     nonce: '0x33',
     gasLimit: '0x61a8',
     value: '0x6f05b59d3b20000',
@@ -435,13 +436,17 @@ describe('#sign', () => {
       gasPrice: '0x737be7600'
     }
 
-    const { type, ...expectedFields } = rawTx
-    const signedTx = await sign(rawTx, jest.fn().mockResolvedValueOnce(signature))
+    const sig = {
+      ...signature, v: addHexPrefix((27).toString(16))
+    }
 
-    expect(signedTx.toJSON()).toMatchObject({
+    const { type, chainId, ...expectedFields } = rawTx
+    const signedTx = await sign(rawTx, jest.fn().mockResolvedValueOnce(sig))
+
+    expect(signedTx.toJSON()).toStrictEqual({
       ...expectedFields,
       ...signature,
-      v: '0x0' // additional zeroes are stripped
+      v: '0x1b'
     })
   })
 
@@ -465,14 +470,14 @@ describe('#sign', () => {
 
   it('adds hex prefixes to the signature', async () => {
     const signedTx = await sign(baseTx, jest.fn().mockResolvedValueOnce({
-      v: stripHexPrefix(signature.v),
+      v: stripHexPrefix('0x1b'),
       r: stripHexPrefix(signature.r),
       s: stripHexPrefix(signature.s)
     }))
     
     expect(signedTx.toJSON()).toMatchObject({
       ...signature,
-      v: '0x0' // additional zeroes are stripped
+      v: '0x1b'
     })
   })
 })
diff --git a/test/util.js b/test/util.js
index 0b2ad4f1b..b9d512124 100644
--- a/test/util.js
+++ b/test/util.js
@@ -1,4 +1,4 @@
-const { addHexPrefix } = require('ethereumjs-util')
+const { addHexPrefix } = require('@ethereumjs/util')
 
 export const weiToHex = wei => addHexPrefix(wei.toString(16))
 export const gweiToHex = gwei => weiToHex(gwei * 1e9)