diff --git a/mutalyzer/__init__.py b/mutalyzer/__init__.py
index 1f40257dca35ef50f57e5dedf3da7324451b0ea8..4cfcbc259aac876070070be6dbf94d19987a40f4 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-15')
+__version_info__ = ('2', '0', 'beta-16', 'dev')
 __date__ = '20 Feb 2012'