diff --git a/mutalyzer/__init__.py b/mutalyzer/__init__.py
index 239f98be522cfa163a57d1f4d5474b01319b9db4..6a7b6c39ca9f4cf369dd1eb56a57de2d86c9027e 100644
--- a/mutalyzer/__init__.py
+++ b/mutalyzer/__init__.py
@@ -20,9 +20,9 @@ import os
 #
 # [1] http://peak.telecommunity.com/DevCenter/setuptools#specifying-your-project-s-version
 
-RELEASE = True
+RELEASE = False
 
-__version_info__ = ('2', '0', 'beta-17')
+__version_info__ = ('2', '0', 'beta-18', 'dev')
 __date__ = '2 Apr 2012'