diff --git a/CHANGES.txt b/CHANGES.txt
index eba05eb..ce2e0f6 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,6 @@
+0.11-dev *Next release*
+
+
 0.10 (2011-08-27)
 
   - Fixed long-standing bugs in relative branch calculations in the
diff --git a/setup.py b/setup.py
index a64ec8d..530a9dc 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-__version__ = '0.10'
+__version__ = '0.11-dev'
 
 import os
 import sys