diff --git a/CHANGES.rst b/CHANGES.rst
index 6307ade..178dbe8 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,10 @@
 CHANGES
 =======
 
+master (unreleased)
+-------------------
+
+
 1.5.0 (2013.08.29)
 ------------------
 
diff --git a/model_utils/__init__.py b/model_utils/__init__.py
index ec7658a..a3da699 100644
--- a/model_utils/__init__.py
+++ b/model_utils/__init__.py
@@ -1,4 +1,4 @@
 from .choices import Choices
 from .tracker import FieldTracker, ModelTracker
 
-__version__ = '1.5.0'
+__version__ = '1.5.0.post1'