diff --git a/python/MANIFEST.in b/python/MANIFEST.in
index 0585435..3a5d211 100644
--- a/python/MANIFEST.in
+++ b/python/MANIFEST.in
@@ -1 +1 @@
-include erc20_demurrage_token/data/* erc20_demurrage_token/data/config/*.ini
+include erc20_demurrage_token/data/* erc20_demurrage_token/data/config/*.ini *requirements.txt
diff --git a/python/requirements.txt b/python/requirements.txt
index 0917121..3d08bfb 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,3 +1,3 @@
-chainlib~=0.0.5a2
-eth-erc20~=0.0.10a4
-crypto-dev-signer~=0.4.14b7
+chainlib>=0.0.7a1,<=0.1.0
+eth-erc20>=0.0.12a1,<0.1.0
+crypto-dev-signer>=0.4.14b7,<=0.4.14
diff --git a/python/setup.cfg b/python/setup.cfg
index 72588d0..55f9182 100644
--- a/python/setup.cfg
+++ b/python/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = erc20-demurrage-token
-version = 0.0.2a4
+version = 0.0.3a1
 description = ERC20 token with redistributed continual demurrage
 author = Louis Holbrook
 author_email = dev@holbrook.no