diff --git a/buildozer/__init__.py b/buildozer/__init__.py
index 004f41f..f5fd14d 100644
--- a/buildozer/__init__.py
+++ b/buildozer/__init__.py
@@ -6,7 +6,7 @@ Generic Python packager for Android / iOS. Desktop later.
 
 '''
 
-__version__ = '0.39'
+__version__ = '0.40.dev0'
 
 import os
 import re