diff --git a/CHANGELOG b/CHANGELOG
index 033d68e559..f604f5a79c 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,5 @@
+Version 2.0.0 - 2011-04-28
+* Bug fixes (see mercurial logs for details)
 * Manage default values of trytond configuration
 
 Version 1.8.0 - 2010-12-24
diff --git a/proteus/__init__.py b/proteus/__init__.py
index ee2140fad4..060f0f003c 100644
--- a/proteus/__init__.py
+++ b/proteus/__init__.py
@@ -3,7 +3,7 @@
 '''
 A library to access Tryton's models like a client.
 '''
-__version__ = "1.9.0"
+__version__ = "2.0.0"
 __all__ = ['Model', 'Wizard']
 from types import NoneType
 import threading