diff --git a/deltasigma/__init__.py b/deltasigma/__init__.py
index 61546a2..3e44baa 100644
--- a/deltasigma/__init__.py
+++ b/deltasigma/__init__.py
@@ -671,7 +671,7 @@
 __copyright__ = "Copyright 2013, Giuseppe Venturini"
 __credits__ = ["Giuseppe Venturini"]
 __license__ = "BSD 2-Clause License"
-__version__ = '0.1-3'
+__version__ = '0.1-4'
 __maintainer__ = "Giuseppe Venturini"
 __email__ = "ggventurini+github@gmail.com"
 __status__ = "Stable"
diff --git a/doc/conf.py b/doc/conf.py
index 22474ac..7c16532 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -52,7 +52,7 @@
 # The short X.Y version.
 version = '0.1'
 # The full version, including alpha/beta/rc tags.
-release = '0.1-3'
+release = '0.1-4'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.py b/setup.py
index b3c5a48..76a98c6 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 import os
 from setuptools import setup, find_packages
-__version__ = "0.1-3"
+__version__ = "0.1-4"
 
 def read(fname):
     try: