diff --git a/eventsourcing/__init__.py b/eventsourcing/__init__.py
index <HASH>..<HASH> 100644
--- a/eventsourcing/__init__.py
+++ b/eventsourcing/__init__.py
@@ -14,4 +14,4 @@
 
 """
 
-__version__ = '2.1.2dev'
+__version__ = '3.0.0dev'
Increased major version number to <I>dev.