diff --git a/proteus/__init__.py b/proteus/__init__.py
index 125f160062..571ad76113 100644
--- a/proteus/__init__.py
+++ b/proteus/__init__.py
@@ -3,7 +3,7 @@
 '''
 A library to access Tryton's models like a client.
 '''
-__version__ = "4.2.0"
+__version__ = "4.3.0"
 __all__ = ['Model', 'Wizard', 'Report']
 import sys
 try: