bump to 0.2.4dev
diff --git a/setup.py b/setup.py
index f0a0b0b..629760a 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = '0.2.3'
+version = '0.2.4'
 
 setup(name='Mako',
       version=version,