diff --git a/web3.nim b/web3.nim
index df44d07..8b5997a 100644
--- a/web3.nim
+++ b/web3.nim
@@ -2,7 +2,7 @@ import macros, strutils, options, math, json, tables, uri
 from os import DirSep
 import
   nimcrypto, stint, httputils, chronicles, chronos, json_rpc/rpcclient,
-  byteutils, eth/keys
+  stew/byteutils, eth/keys
 
 import web3/[ethtypes, ethprocs, conversions, ethhexstrings, transaction_signing]
 
diff --git a/web3.nimble b/web3.nimble
index 2abf788..2a6f9a1 100644
--- a/web3.nimble
+++ b/web3.nimble
@@ -12,7 +12,7 @@ requires "stint"
 requires "chronicles"
 requires "chronos"
 requires "json_rpc"
-requires "byteutils"
+requires "stew"
 requires "eth"
 
 
diff --git a/web3/conversions.nim b/web3/conversions.nim
index 86c4852..a103abf 100644
--- a/web3/conversions.nim
+++ b/web3/conversions.nim
@@ -1,4 +1,4 @@
-import json, options, stint, byteutils, strutils
+import json, options, stint, stew/byteutils, strutils
 from json_rpc/rpcserver import expect
 import ethtypes, ethhexstrings
 
diff --git a/web3/ethtypes.nim b/web3/ethtypes.nim
index f6364ac..31cba70 100644
--- a/web3/ethtypes.nim
+++ b/web3/ethtypes.nim
@@ -1,5 +1,5 @@
 import options, json
-import stint, byteutils
+import stint, stew/byteutils
 
 type
   SyncObject* = object
@@ -168,4 +168,4 @@ proc `==`*[N](a, b: DynamicBytes[N]): bool {.inline.} =
   array[N, byte](a) == array[N, byte](b)
 
 proc `==`*(a, b: Address): bool {.inline.} =
-  array[20, byte](a) == array[20, byte](b)
\ No newline at end of file
+  array[20, byte](a) == array[20, byte](b)
diff --git a/web3/transaction_signing.nim b/web3/transaction_signing.nim
index af7bba7..eb6fcde 100644
--- a/web3/transaction_signing.nim
+++ b/web3/transaction_signing.nim
@@ -1,6 +1,6 @@
 import
   options,
-  ethtypes, byteutils, stint,
+  ethtypes, stew/byteutils, stint,
   eth/[common, keys, rlp], eth/common/transaction
 
 proc signTransaction(tr: var Transaction, pk: PrivateKey) =