diff --git a/python/eth_erc20/erc20.py b/python/eth_erc20/erc20.py
index 00725c4..8e3cde8 100644
--- a/python/eth_erc20/erc20.py
+++ b/python/eth_erc20/erc20.py
@@ -2,31 +2,23 @@
 import logging
 
 # external imports
-import sha3
-from hexathon import (
-        add_0x,
-        strip_0x,
-        )
-from crypto_dev_signer.eth.transaction import EIP155Transaction
-
-# external imports
-from chainlib.hash import (
-        keccak256_hex_to_hex,
-        keccak256_string_to_hex,
-        )
 from chainlib.eth.constant import ZERO_ADDRESS
-from chainlib.eth.tx import (
-        TxFactory,
-        TxFormat,
-        )
-from chainlib.jsonrpc import JSONRPCRequest
 from chainlib.eth.contract import (
-        ABIContractEncoder,
-        ABIContractDecoder,
-        ABIContractType,
-        abi_decode_single,
-        )
+    ABIContractEncoder,
+    ABIContractDecoder,
+    ABIContractType,
+    abi_decode_single,
+)
 from chainlib.eth.error import RequestMismatchException
+from chainlib.eth.tx import (
+    TxFactory,
+    TxFormat,
+)
+from chainlib.jsonrpc import JSONRPCRequest
+from hexathon import (
+    add_0x,
+    strip_0x,
+)
 
 logg = logging.getLogger()
 
diff --git a/python/requirements.txt b/python/requirements.txt
index b2de75f..11facbe 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,4 +1,3 @@
-confini>=0.3.6rc3,<0.5.0
-crypto-dev-signer>=0.4.15a1,<=0.4.15
-chainlib-eth>=0.0.9a9,<=0.1.0
-potaahto~=0.0.1a2
+confini==0.5.2
+chainlib-eth ==0.0.14
+potaahto==0.1.0
diff --git a/python/setup.cfg b/python/setup.cfg
index 18ebfd3..fc92939 100644
--- a/python/setup.cfg
+++ b/python/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = eth-erc20
-version = 0.1.3
+version = 0.1.4
 description = ERC20 interface and simple contract with deployment script that lets any address mint and gift itself tokens.
 author = Louis Holbrook
 author_email = dev@holbrook.no