diff --git a/python/requirements.txt b/python/requirements.txt
index a80f91f..9a7cf6f 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,3 +1,3 @@
 confini>=0.5.7,<0.7.0
-chainlib-eth>=0.1.0b1,<0.20
+chainlib-eth>=0.1.0b1,<0.2.0
 potaahto~=0.1.1