diff --git a/package.json b/package.json
index 336b86329e..f571f1a003 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,6 @@
   },
   "dependencies": {
     "@ethersproject/bignumber": "^5.1.1",
-    "@ethersproject/bytes": "^5.0.8",
     "async-mutex": "^0.4.0",
     "ethers": "^5.1.0",
     "ethers-v6": "npm:ethers@^6.11.1"
diff --git a/src/lib/message/ParentToChildMessage.ts b/src/lib/message/ParentToChildMessage.ts
index 6bbc5a10dd..dace3146a5 100644
--- a/src/lib/message/ParentToChildMessage.ts
+++ b/src/lib/message/ParentToChildMessage.ts
@@ -21,7 +21,6 @@ import { Provider } from '@ethersproject/abstract-provider'
 import { Signer } from '@ethersproject/abstract-signer'
 import { ContractTransaction } from '@ethersproject/contracts'
 import { BigNumber } from '@ethersproject/bignumber'
-import { concat } from '@ethersproject/bytes'
 import {
   ZeroAddress,
   toBeArray,
@@ -29,6 +28,7 @@ import {
   zeroPadValue,
   getAddress,
   keccak256,
+  concat,
 } from 'ethers-v6'
 
 import { ArbRetryableTx__factory } from '../abi/factories/ArbRetryableTx__factory'
diff --git a/src/lib/message/messageDataParser.ts b/src/lib/message/messageDataParser.ts
index 0193b2a618..5626cfdf03 100644
--- a/src/lib/message/messageDataParser.ts
+++ b/src/lib/message/messageDataParser.ts
@@ -1,7 +1,6 @@
-import { getAddress } from 'ethers-v6'
+import { getAddress, zeroPadValue } from 'ethers-v6'
 import { defaultAbiCoder } from '@ethersproject/abi'
 import { BigNumber } from '@ethersproject/bignumber'
-import { hexZeroPad } from '@ethersproject/bytes'
 
 export class SubmitRetryableMessageDataParser {
   /**
@@ -28,7 +27,7 @@ export class SubmitRetryableMessageDataParser {
     ) as BigNumber[]
 
     const addressFromBigNumber = (bn: BigNumber) =>
-      getAddress(hexZeroPad(bn.toHexString(), 20))
+      getAddress(zeroPadValue(bn.toHexString(), 20))
 
     const destAddress = addressFromBigNumber(parsed[0])
     const l2CallValue = parsed[1]
diff --git a/src/lib/utils/byte_serialize_params.ts b/src/lib/utils/byte_serialize_params.ts
index 02c9e93a45..2df3d6f53f 100644
--- a/src/lib/utils/byte_serialize_params.ts
+++ b/src/lib/utils/byte_serialize_params.ts
@@ -48,8 +48,13 @@ Arbitrum SDK includes methods for [serializing parameters](https://developer.off
 
 import { Provider } from '@ethersproject/abstract-provider'
 import { Signer } from '@ethersproject/abstract-signer'
-import { isAddress as _isAddress } from 'ethers-v6'
-import { concat, hexZeroPad } from '@ethersproject/bytes'
+import {
+  isAddress as _isAddress,
+  concat,
+  toBeArray,
+  zeroPadValue,
+} from 'ethers-v6'
+
 import { BigNumber } from '@ethersproject/bignumber'
 
 import { ArbAddressTable__factory } from '../abi/factories/ArbAddressTable__factory'
@@ -112,7 +117,7 @@ const isAddress = (input: PrimativeType) =>
   typeof input === 'string' && _isAddress(input)
 
 const toUint = (val: PrimativeType, bytes: BytesNumber) =>
-  hexZeroPad(BigNumber.from(val).toHexString(), bytes)
+  zeroPadValue(BigNumber.from(val).toHexString(), bytes)
 
 //  outputs string suitable for formatting
 const formatPrimative = (value: PrimativeType) => {
@@ -186,5 +191,5 @@ export const serializeParams = async (
       }
     }
   }
-  return concat(formattedParams)
+  return toBeArray(concat(formattedParams))
 }
diff --git a/tests/fork/inbox.test.ts b/tests/fork/inbox.test.ts
index fd3df901be..15e5259909 100644
--- a/tests/fork/inbox.test.ts
+++ b/tests/fork/inbox.test.ts
@@ -29,7 +29,7 @@ import { SequencerInbox__factory } from '../../src/lib/abi/factories/SequencerIn
 import { InboxTools } from '../../src'
 
 import { ethers, network } from 'hardhat'
-import { hexZeroPad } from '@ethersproject/bytes'
+import { zeroPadValue } from 'ethers-v6'
 import {
   ArbitrumNetwork,
   getArbitrumNetwork,
@@ -217,7 +217,7 @@ describe('Inbox tools', () => {
         txParams.gasLimit,
         txParams.maxFeePerGas,
         txParams.nonce,
-        hexZeroPad(txParams.to, 32),
+        zeroPadValue(txParams.to, 32),
         txParams.value,
         '0x',
       ]
diff --git a/tests/integration/retryableData.test.ts b/tests/integration/retryableData.test.ts
index 170e4836b4..a81768dccf 100644
--- a/tests/integration/retryableData.test.ts
+++ b/tests/integration/retryableData.test.ts
@@ -18,7 +18,7 @@
 
 import { assert, expect } from 'chai'
 import { BigNumber } from '@ethersproject/bignumber'
-import { hexlify } from '@ethersproject/bytes'
+import { hexlify } from 'ethers-v6'
 import { TestERC20__factory } from '../../src/lib/abi/factories/TestERC20__factory'
 import { fundParentSigner, skipIfMainnet } from './testHelpers'
 import { RetryableDataTools } from '../../src'
diff --git a/tests/unit/addressAlias.test.ts b/tests/unit/addressAlias.test.ts
index 6189ba6d0d..b9f40512a6 100644
--- a/tests/unit/addressAlias.test.ts
+++ b/tests/unit/addressAlias.test.ts
@@ -21,8 +21,7 @@ import { expect } from 'chai'
 import { Address } from '../../src/lib/dataEntities/address'
 import { BigNumber } from 'ethers'
 import { ADDRESS_ALIAS_OFFSET } from '../../src/lib/dataEntities/constants'
-import { hexZeroPad } from '@ethersproject/bytes'
-import { getAddress } from 'ethers-v6'
+import { getAddress, zeroPadValue } from 'ethers-v6'
 const offset = BigNumber.from(ADDRESS_ALIAS_OFFSET)
 const maxAddr = BigNumber.from('0xffffffffffffffffffffffffffffffffffffffff')
 
@@ -49,7 +48,7 @@ describe('Address', () => {
 
   it('does alias correctly below offset', async () => {
     // 0xeeeeffffffffffffffffffffffffffffffffeee4
-    const belowOffset = hexZeroPad(
+    const belowOffset = zeroPadValue(
       maxAddr.sub(offset).sub(10).toHexString(),
       20
     )
@@ -63,7 +62,7 @@ describe('Address', () => {
 
   it('does alias correctly on', async () => {
     // 0xeeeeffffffffffffffffffffffffffffffffeeee
-    const onOffset = hexZeroPad(maxAddr.sub(offset).add(0).toHexString(), 20)
+    const onOffset = zeroPadValue(maxAddr.sub(offset).add(0).toHexString(), 20)
 
     testApplyUndo(
       getAddress(onOffset),
@@ -74,7 +73,7 @@ describe('Address', () => {
 
   it('does alias correctly above offset', async () => {
     // 0xeeeeffffffffffffffffffffffffffffffffeef8
-    const aboveOffset = hexZeroPad(
+    const aboveOffset = zeroPadValue(
       maxAddr.sub(offset).add(10).toHexString(),
       20
     )
diff --git a/yarn.lock b/yarn.lock
index 93131977d0..8c77f9336b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -450,7 +450,7 @@
     "@ethersproject/logger" "^5.7.0"
     bn.js "^5.2.1"
 
-"@ethersproject/bytes@5.6.1", "@ethersproject/bytes@^5.0.8":
+"@ethersproject/bytes@5.6.1":
   version "5.6.1"
   resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.6.1.tgz#24f916e411f82a8a60412344bf4a813b917eefe7"
   integrity sha512-NwQt7cKn5+ZE4uDn+X5RAXLp46E1chXoaMmrxAyA0rblpxz8t58lVkrHXoRIn0lz1joQElQ8410GqhTqMOwc6g==