diff --git a/chainlib/cli/wallet.py b/chainlib/cli/wallet.py
index ee7cab1..3448e8f 100644
--- a/chainlib/cli/wallet.py
+++ b/chainlib/cli/wallet.py
@@ -1,9 +1,6 @@
 # standard imports
 import logging
 
-# external imports
-from crypto_dev_signer.keystore.dict import DictKeystore
-
 logg = logging.getLogger(__name__)
 
 
@@ -19,7 +16,7 @@ class Wallet:
     :todo: sign_transaction_to_rlp from chainlib-eth must be renamed to sign_transaction_to_wire, and included as part of signer interface
     """
     
-    def __init__(self, signer_cls, keystore=DictKeystore(), checksummer=None):
+    def __init__(self, signer_cls, keystore=None, checksummer=None):
         self.signer_constructor = signer_cls
         self.keystore = keystore
         self.signer = None
diff --git a/requirements.txt b/requirements.txt
index 1a6813d..135a972 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-crypto-dev-signer>=0.4.15rc2,<=0.4.15
+funga>=0.5.1a1,<0.6.0
 pysha3==1.0.2
 hexathon~=0.0.1a8
diff --git a/setup.cfg b/setup.cfg
index 14066db..9be4c3d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = chainlib
-version = 0.0.10a1
+version = 0.0.10a3
 description = Generic blockchain access library and tooling
 author = Louis Holbrook
 author_email = dev@holbrook.no