diff --git a/requirements.txt b/requirements.txt
index 488a91c..6ff436b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,5 +3,5 @@ pysha3==1.0.2
 hexathon~=0.1.7
 websocket-client==0.57.0
 potaahto~=0.1.1
-chainlib~=0.2.0
+chainlib~=0.2.1
 confini~=0.6.0