diff --git a/mutalyzer/__init__.py b/mutalyzer/__init__.py
index 3804c7c5af82c700aed1abb9fe5c0f9faff22b0b..2e2962e8fb0dfe11e8e47eabc065129afaa8f595 100644
--- a/mutalyzer/__init__.py
+++ b/mutalyzer/__init__.py
@@ -18,9 +18,9 @@ import os
 #
 # [1] http://peak.telecommunity.com/DevCenter/setuptools#specifying-your-project-s-version
 
-RELEASE = True
+RELEASE = False
 
-__version_info__ = ('2', '0', 'beta-9')
+__version_info__ = ('2', '0', 'beta-10', 'dev')
 __date__ = '27 Jun 2011'