diff --git a/electrumx/__init__.py b/electrumx/__init__.py
index 4744106..71cc7a5 100644
--- a/electrumx/__init__.py
+++ b/electrumx/__init__.py
@@ -1,4 +1,4 @@
-version = 'ElectrumX 1.6'
+version = 'ElectrumX 1.6a'
 version_short = version.split()[-1]
 
 from electrumx.server.controller import Controller