diff --git a/requirements.txt b/requirements.txt
index 4c58e30..72096b1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,5 +3,5 @@ pysha3==1.0.2
 hexathon~=0.0.1a8
 websocket-client==0.57.0
 potaahto~=0.0.1a1
-chainlib==0.0.9a2
+chainlib==0.0.9a3
 confini>=0.4.1a1,<0.5.0