diff --git a/mutalyzer/__init__.py b/mutalyzer/__init__.py
index 073f47324502ac2d500c4707ae8e2283a481e35a..3791cdd4594fbb5f67ae01d7eb216e3cb105d05d 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-18')
+__version_info__ = ('2', '0', 'beta-19', 'dev')
 __date__ = '7 Jun 2012'