diff --git a/python/requirements.txt b/python/requirements.txt
index b2de75f..68ad4fa 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,4 +1,3 @@
 confini>=0.3.6rc3,<0.5.0
-crypto-dev-signer>=0.4.15a1,<=0.4.15
-chainlib-eth>=0.0.9a9,<=0.1.0
-potaahto~=0.0.1a2
+chainlib-eth ==0.0.14
+potaahto==0.1.0