diff --git a/python/requirements.txt b/python/requirements.txt
index 9bcae58..7bd9b6b 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,3 +1,3 @@
 chainlib-eth~=0.0.14
-eth-erc20~=0.1.3
+eth-erc20~=0.1.3a3
 funga-eth~=0.5.1