diff --git a/python/requirements.txt b/python/requirements.txt
index 822fca3..8f2fc27 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,3 +1,3 @@
-chainlib~=0.0.3rc2
+chainlib~=0.0.3rc3
 eth-erc20~=0.0.9a3
 crypto-dev-signer~=0.4.14b3