diff --git a/python/requirements.txt b/python/requirements.txt
index 3b59753..0917121 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,3 +1,3 @@
-chainlib~=0.0.5a1
-eth-erc20~=0.0.10a1
-crypto-dev-signer~=0.4.14b6
+chainlib~=0.0.5a2
+eth-erc20~=0.0.10a4
+crypto-dev-signer~=0.4.14b7
diff --git a/python/setup.cfg b/python/setup.cfg
index 568264e..72588d0 100644
--- a/python/setup.cfg
+++ b/python/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = erc20-demurrage-token
-version = 0.0.2a3
+version = 0.0.2a4
 description = ERC20 token with redistributed continual demurrage
 author = Louis Holbrook
 author_email = dev@holbrook.no