diff --git a/setup.py b/setup.py
index c7d4a42..83ef6d6 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 from setuptools import setup
 
 
-version = "2.1.2"
+version = "2.1.3.dev0"
 
 long_description = open("README.rst").read() + "\n"
 long_description += open("CHANGES.rst").read()