diff --git a/setup.py b/setup.py
index 9529fdd..1d50ce5 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = '2.1.8.dev0'
+version = '2.2.0.dev0'
 
 install_requires = [
     'setuptools',