diff --git a/setup.py b/setup.py
index 24091c2..73b3e54 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 from setuptools import find_packages, setup
 
-version = "0.3.1"
+version = "0.4.0"
 
 with open("README.rst") as readme:
     description = readme.read() + "\n\n"