diff --git a/microschema/__init__.py b/microschema/__init__.py
index eae904c..133fa6f 100644
--- a/microschema/__init__.py
+++ b/microschema/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import absolute_import
 
-__version__ = '0.3'
+__version__ = '0.4'
 
 from .core import (
     validate,