diff --git a/jest.config.js b/jest.config.js
index 178632c7..6fc5cddf 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -43,8 +43,8 @@ module.exports = {
     global: {
       branches: 65.42,
       functions: 88.57,
-      lines: 81.57,
-      statements: 81.49,
+      lines: 81.63,
+      statements: 81.55,
     },
   },
 
diff --git a/package.json b/package.json
index 77e65157..d6a6bea0 100644
--- a/package.json
+++ b/package.json
@@ -37,10 +37,11 @@
     "test:watch": "jest --watch"
   },
   "dependencies": {
+    "@ethereumjs/rlp": "^4.0.0",
     "@ethereumjs/tx": "^4.1.1",
+    "@ethereumjs/util": "^8.0.0",
     "@metamask/eth-sig-util": "^6.0.1",
     "@metamask/utils": "^5.0.0",
-    "ethereumjs-util": "^7.0.9",
     "hdkey": "0.8.0"
   },
   "devDependencies": {
@@ -91,11 +92,9 @@
   "lavamoat": {
     "allowScripts": {
       "@lavamoat/preinstall-always-fail": false,
+      "@ledgerhq/hw-app-eth>@ledgerhq/domain-service>eip55>keccak": false,
       "ethereumjs-tx>ethereumjs-util>keccak": false,
-      "ethereumjs-util>ethereum-cryptography>keccak": false,
-      "ethereumjs-util>ethereum-cryptography>secp256k1": false,
-      "hdkey>secp256k1": false,
-      "@ledgerhq/hw-app-eth>@ledgerhq/domain-service>eip55>keccak": false
+      "hdkey>secp256k1": false
     }
   }
 }
diff --git a/src/ledger-keyring.test.ts b/src/ledger-keyring.test.ts
index edc2e6c5..f457001f 100644
--- a/src/ledger-keyring.test.ts
+++ b/src/ledger-keyring.test.ts
@@ -1,8 +1,9 @@
 import { Common, Chain, Hardfork } from '@ethereumjs/common';
+import { RLP } from '@ethereumjs/rlp';
 import { TransactionFactory } from '@ethereumjs/tx';
+import * as ethUtil from '@ethereumjs/util';
 import * as sigUtil from '@metamask/eth-sig-util';
 import EthereumTx from 'ethereumjs-tx';
-import * as ethUtil from 'ethereumjs-util';
 import HDKey from 'hdkey';
 
 import { LedgerBridge } from './ledger-bridge';
@@ -544,9 +545,7 @@ describe('LedgerKeyring', function () {
           .mockImplementation(async (params) => {
             expect(params).toStrictEqual({
               hdPath: "m/44'/60'/0'/0",
-              tx: ethUtil.rlp
-                .encode(newFakeTx.getMessageToSign(false))
-                .toString('hex'),
+              tx: RLP.encode(newFakeTx.getMessageToSign(false)).toString(),
             });
             return expectedRSV;
           });
diff --git a/src/ledger-keyring.ts b/src/ledger-keyring.ts
index 3fc83067..77392c5b 100644
--- a/src/ledger-keyring.ts
+++ b/src/ledger-keyring.ts
@@ -1,4 +1,6 @@
+import { RLP } from '@ethereumjs/rlp';
 import { TransactionFactory, TxData, TypedTransaction } from '@ethereumjs/tx';
+import * as ethUtil from '@ethereumjs/util';
 import type { MessageTypes, TypedMessage } from '@metamask/eth-sig-util';
 import {
   recoverPersonalSignature,
@@ -9,7 +11,6 @@ import {
 // eslint-disable-next-line import/no-nodejs-modules
 import { Buffer } from 'buffer';
 import type OldEthJsTransaction from 'ethereumjs-tx';
-import * as ethUtil from 'ethereumjs-util';
 // eslint-disable-next-line import/no-nodejs-modules
 import { EventEmitter } from 'events';
 import HDKey from 'hdkey';
@@ -339,7 +340,7 @@ export class LedgerKeyring extends EventEmitter {
 
     rawTxHex = Buffer.isBuffer(messageToSign)
       ? messageToSign.toString('hex')
-      : ethUtil.rlp.encode(messageToSign).toString('hex');
+      : RLP.encode(messageToSign).toString();
 
     return this.#signTransaction(address, rawTxHex, (payload) => {
       // Because tx will be immutable, first get a plain javascript object that
diff --git a/yarn.lock b/yarn.lock
index fdec29d6..a00e81ee 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -523,7 +523,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@ethereumjs/rlp@npm:^4.0.1":
+"@ethereumjs/rlp@npm:^4.0.0, @ethereumjs/rlp@npm:^4.0.1":
   version: 4.0.1
   resolution: "@ethereumjs/rlp@npm:4.0.1"
   bin:
@@ -544,7 +544,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@ethereumjs/util@npm:^8.1.0":
+"@ethereumjs/util@npm:^8.0.0, @ethereumjs/util@npm:^8.1.0":
   version: 8.1.0
   resolution: "@ethereumjs/util@npm:8.1.0"
   dependencies:
@@ -1616,7 +1616,9 @@ __metadata:
   resolution: "@metamask/eth-ledger-bridge-keyring@workspace:."
   dependencies:
     "@ethereumjs/common": ^3.1.1
+    "@ethereumjs/rlp": ^4.0.0
     "@ethereumjs/tx": ^4.1.1
+    "@ethereumjs/util": ^8.0.0
     "@lavamoat/allow-scripts": ^2.3.0
     "@ledgerhq/hw-app-eth": ^6.32.0
     "@ledgerhq/types-cryptoassets": ^7.6.0
@@ -1644,7 +1646,6 @@ __metadata:
     eslint-plugin-node: ^11.1.0
     eslint-plugin-prettier: ^4.2.1
     ethereumjs-tx: ^1.3.4
-    ethereumjs-util: ^7.0.9
     hdkey: 0.8.0
     jest: ^28.1.3
     jest-it-up: ^2.2.0
@@ -1945,15 +1946,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/bn.js@npm:^5.1.0":
-  version: 5.1.0
-  resolution: "@types/bn.js@npm:5.1.0"
-  dependencies:
-    "@types/node": "*"
-  checksum: 1dc1cbbd7a1e8bf3614752e9602f558762a901031f499f3055828b5e3e2bba16e5b88c27b3c4152ad795248fbe4086c731a5c4b0f29bb243f1875beeeabee59c
-  languageName: node
-  linkType: hard
-
 "@types/color-name@npm:^1.1.1":
   version: 1.1.1
   resolution: "@types/color-name@npm:1.1.1"
@@ -2089,15 +2081,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/pbkdf2@npm:^3.0.0":
-  version: 3.1.0
-  resolution: "@types/pbkdf2@npm:3.1.0"
-  dependencies:
-    "@types/node": "*"
-  checksum: d15024b1957c21cf3b8887329d9bd8dfde754cf13a09d76ae25f1391cfc62bb8b8d7b760773c5dbaa748172fba8b3e0c3dbe962af6ccbd69b76df12a48dfba40
-  languageName: node
-  linkType: hard
-
 "@types/prettier@npm:^2.1.5":
   version: 2.7.3
   resolution: "@types/prettier@npm:2.7.3"
@@ -2105,15 +2088,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/secp256k1@npm:^4.0.1":
-  version: 4.0.1
-  resolution: "@types/secp256k1@npm:4.0.1"
-  dependencies:
-    "@types/node": "*"
-  checksum: f89b71360e3fe5a02f649746832fc7af4c5c5b8f85897a2e74d5df40f2e02e4c3b8cca5c7c9b92282870bf03724ce142f817d5d07f5acf2f1c5769ab7403e65a
-  languageName: node
-  linkType: hard
-
 "@types/semver@npm:^7.3.12":
   version: 7.5.3
   resolution: "@types/semver@npm:7.5.3"
@@ -2763,15 +2737,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"base-x@npm:^3.0.2":
-  version: 3.0.8
-  resolution: "base-x@npm:3.0.8"
-  dependencies:
-    safe-buffer: ^5.0.1
-  checksum: 92b95493e636999d6505d9c5abfa049fce1bdde9327f733c5984e712cdb98482d2d45410e4ac1d04e5a004545e46898674f405db04c9555ba3e35fc00b150bf4
-  languageName: node
-  linkType: hard
-
 "bech32@npm:1.1.4":
   version: 1.1.4
   resolution: "bech32@npm:1.1.4"
@@ -2823,13 +2788,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"blakejs@npm:^1.1.0":
-  version: 1.1.0
-  resolution: "blakejs@npm:1.1.0"
-  checksum: 69df62aee27e30ff2af8d709dd4676e037f2e92ded09b0d1a8187d1a69edaf05f4e63f3f473a0e44576e517196e54193641eec345bcc505c8a221940ec491141
-  languageName: node
-  linkType: hard
-
 "bn.js@npm:^4.11.0, bn.js@npm:^4.11.1, bn.js@npm:^4.11.8, bn.js@npm:^4.11.9":
   version: 4.12.0
   resolution: "bn.js@npm:4.12.0"
@@ -2837,13 +2795,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"bn.js@npm:^5.1.2":
-  version: 5.2.0
-  resolution: "bn.js@npm:5.2.0"
-  checksum: 6117170393200f68b35a061ecbf55d01dd989302e7b3c798a3012354fa638d124f0b2f79e63f77be5556be80322a09c40339eda6413ba7468524c0b6d4b4cb7a
-  languageName: node
-  linkType: hard
-
 "bn.js@npm:^5.2.1":
   version: 5.2.1
   resolution: "bn.js@npm:5.2.1"
@@ -2895,7 +2846,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"browserify-aes@npm:^1.0.6, browserify-aes@npm:^1.2.0":
+"browserify-aes@npm:^1.0.6":
   version: 1.2.0
   resolution: "browserify-aes@npm:1.2.0"
   dependencies:
@@ -2939,26 +2890,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"bs58@npm:^4.0.0":
-  version: 4.0.1
-  resolution: "bs58@npm:4.0.1"
-  dependencies:
-    base-x: ^3.0.2
-  checksum: b3c5365bb9e0c561e1a82f1a2d809a1a692059fae016be233a6127ad2f50a6b986467c3a50669ce4c18929dcccb297c5909314dd347a25a68c21b68eb3e95ac2
-  languageName: node
-  linkType: hard
-
-"bs58check@npm:^2.1.2":
-  version: 2.1.2
-  resolution: "bs58check@npm:2.1.2"
-  dependencies:
-    bs58: ^4.0.0
-    create-hash: ^1.1.0
-    safe-buffer: ^5.1.2
-  checksum: 43bdf08a5dd04581b78f040bc4169480e17008da482ffe2a6507327bbc4fc5c28de0501f7faf22901cfe57fbca79cbb202ca529003fedb4cb8dccd265b38e54d
-  languageName: node
-  linkType: hard
-
 "bser@npm:2.1.1":
   version: 2.1.1
   resolution: "bser@npm:2.1.1"
@@ -3319,7 +3250,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"create-hmac@npm:^1.1.4, create-hmac@npm:^1.1.7":
+"create-hmac@npm:^1.1.4":
   version: 1.1.7
   resolution: "create-hmac@npm:1.1.7"
   dependencies:
@@ -4110,29 +4041,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ethereum-cryptography@npm:^0.1.3":
-  version: 0.1.3
-  resolution: "ethereum-cryptography@npm:0.1.3"
-  dependencies:
-    "@types/pbkdf2": ^3.0.0
-    "@types/secp256k1": ^4.0.1
-    blakejs: ^1.1.0
-    browserify-aes: ^1.2.0
-    bs58check: ^2.1.2
-    create-hash: ^1.2.0
-    create-hmac: ^1.1.7
-    hash.js: ^1.1.7
-    keccak: ^3.0.0
-    pbkdf2: ^3.0.17
-    randombytes: ^2.1.0
-    safe-buffer: ^5.1.2
-    scrypt-js: ^3.0.0
-    secp256k1: ^4.0.1
-    setimmediate: ^1.0.5
-  checksum: 54bae7a4a96bd81398cdc35c91cfcc74339f71a95ed1b5b694663782e69e8e3afd21357de3b8bac9ff4877fd6f043601e200a7ad9133d94be6fd7d898ee0a449
-  languageName: node
-  linkType: hard
-
 "ethereum-cryptography@npm:^2.0.0, ethereum-cryptography@npm:^2.1.2":
   version: 2.1.2
   resolution: "ethereum-cryptography@npm:2.1.2"
@@ -4170,20 +4078,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ethereumjs-util@npm:^7.0.9":
-  version: 7.0.9
-  resolution: "ethereumjs-util@npm:7.0.9"
-  dependencies:
-    "@types/bn.js": ^5.1.0
-    bn.js: ^5.1.2
-    create-hash: ^1.1.2
-    ethereum-cryptography: ^0.1.3
-    ethjs-util: 0.1.6
-    rlp: ^2.2.4
-  checksum: 112da2a62d2722177c8b6bd4ffeac5961715cb7a06346996784e0ad4e1bb9178c6cf825e3552980ea1ebd4e0ef4855dc188f2b164364784c8aef7452f1bd02e2
-  languageName: node
-  linkType: hard
-
 "ethers@npm:5.7.2":
   version: 5.7.2
   resolution: "ethers@npm:5.7.2"
@@ -4222,7 +4116,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ethjs-util@npm:0.1.6, ethjs-util@npm:^0.1.3, ethjs-util@npm:^0.1.6":
+"ethjs-util@npm:^0.1.3, ethjs-util@npm:^0.1.6":
   version: 0.1.6
   resolution: "ethjs-util@npm:0.1.6"
   dependencies:
@@ -4916,7 +4810,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"hash.js@npm:1.1.7, hash.js@npm:^1.0.0, hash.js@npm:^1.0.3, hash.js@npm:^1.1.7":
+"hash.js@npm:1.1.7, hash.js@npm:^1.0.0, hash.js@npm:^1.0.3":
   version: 1.1.7
   resolution: "hash.js@npm:1.1.7"
   dependencies:
@@ -6076,17 +5970,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"keccak@npm:^3.0.0":
-  version: 3.0.1
-  resolution: "keccak@npm:3.0.1"
-  dependencies:
-    node-addon-api: ^2.0.0
-    node-gyp: latest
-    node-gyp-build: ^4.2.0
-  checksum: 1de1b62fbb3e035ee186232b11f154bd5c2c12a2d910bc8ec313dab412b6f39ddc51d3a105618dd8de752875da0ead21abb0eb1d4e7d7b17771a4acbb7159390
-  languageName: node
-  linkType: hard
-
 "keccak@npm:^3.0.3":
   version: 3.0.4
   resolution: "keccak@npm:3.0.4"
@@ -6974,19 +6857,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"pbkdf2@npm:^3.0.17":
-  version: 3.1.1
-  resolution: "pbkdf2@npm:3.1.1"
-  dependencies:
-    create-hash: ^1.1.2
-    create-hmac: ^1.1.4
-    ripemd160: ^2.0.1
-    safe-buffer: ^5.0.1
-    sha.js: ^2.4.8
-  checksum: c3de26b8eb363180687e31138e1a486c509d407f361ae222e0af4748d9a252326e14e8f3311182945dbc27e7f235b49fb7a578ad340302a83481585bbd3947d3
-  languageName: node
-  linkType: hard
-
 "picocolors@npm:^1.0.0":
   version: 1.0.0
   resolution: "picocolors@npm:1.0.0"
@@ -7139,15 +7009,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"randombytes@npm:^2.1.0":
-  version: 2.1.0
-  resolution: "randombytes@npm:2.1.0"
-  dependencies:
-    safe-buffer: ^5.1.0
-  checksum: d779499376bd4cbb435ef3ab9a957006c8682f343f14089ed5f27764e4645114196e75b7f6abf1cbd84fd247c0cb0651698444df8c9bf30e62120fbbc52269d6
-  languageName: node
-  linkType: hard
-
 "react-dom@npm:^17.0.2":
   version: 17.0.2
   resolution: "react-dom@npm:17.0.2"
@@ -7370,17 +7231,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"rlp@npm:^2.2.4":
-  version: 2.2.6
-  resolution: "rlp@npm:2.2.6"
-  dependencies:
-    bn.js: ^4.11.1
-  bin:
-    rlp: bin/rlp
-  checksum: 2601225df0fe7aa3b497b33a12fd9fbaf8fb1d2989ecc5c091918ed93ee77d1c3fab20ddd3891a9ca66a8ba66d993e6079be6fb31f450fcf38ba30873102ca46
-  languageName: node
-  linkType: hard
-
 "run-applescript@npm:^5.0.0":
   version: 5.0.0
   resolution: "run-applescript@npm:5.0.0"
@@ -7469,7 +7319,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"scrypt-js@npm:3.0.1, scrypt-js@npm:^3.0.0":
+"scrypt-js@npm:3.0.1":
   version: 3.0.1
   resolution: "scrypt-js@npm:3.0.1"
   checksum: b7c7d1a68d6ca946f2fbb0778e0c4ec63c65501b54023b2af7d7e9f48fdb6c6580d6f7675cd53bda5944c5ebc057560d5a6365079752546865defb3b79dea454
@@ -7493,18 +7343,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"secp256k1@npm:^4.0.1":
-  version: 4.0.2
-  resolution: "secp256k1@npm:4.0.2"
-  dependencies:
-    elliptic: ^6.5.2
-    node-addon-api: ^2.0.0
-    node-gyp: latest
-    node-gyp-build: ^4.2.0
-  checksum: 0d0d42e8033aee5aec5caaaa26d90fcaec4bf5e24dc4652552ddaa60734c2d95e90f7d95697b521fe833363c629d5ff623227961de86686c7a0ed5b5ffc1ebd0
-  languageName: node
-  linkType: hard
-
 "semver-compare@npm:^1.0.0":
   version: 1.0.0
   resolution: "semver-compare@npm:1.0.0"
@@ -7550,13 +7388,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"setimmediate@npm:^1.0.5":
-  version: 1.0.5
-  resolution: "setimmediate@npm:1.0.5"
-  checksum: c9a6f2c5b51a2dabdc0247db9c46460152ffc62ee139f3157440bd48e7c59425093f42719ac1d7931f054f153e2d26cf37dfeb8da17a794a58198a2705e527fd
-  languageName: node
-  linkType: hard
-
 "sha.js@npm:^2.4.0, sha.js@npm:^2.4.8":
   version: 2.4.11
   resolution: "sha.js@npm:2.4.11"