diff --git a/CHANGES.rst b/CHANGES.rst
index efa85a9..a578c65 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,9 @@
 CHANGES
 =======
 
+master (unreleased)
+-------------------
+
 3.0.0 (2017.04.13)
 ------------------
 
diff --git a/model_utils/__init__.py b/model_utils/__init__.py
index 54c239c..fceae3a 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__ = '3.0.0'
+__version__ = '3.0.1a1'