diff --git a/setup.py b/setup.py
index 9913a26..a94cb3a 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
     from distutils.core import Extension, setup
 
 
-VERSION = '0.4.0'
+VERSION = '0.5.0'
 
 
 def read_file(path):