diff --git a/Lib/email/__init__.py b/Lib/email/__init__.py
index b784da8247f..13c71a946a2 100644
--- a/Lib/email/__init__.py
+++ b/Lib/email/__init__.py
@@ -4,7 +4,7 @@
 """A package for parsing, handling, and generating email messages.
 """
 
-__version__ = '2.4.3'
+__version__ = '2.5-'
 
 __all__ = [
     'base64MIME',