diff --git a/deltasigma/__init__.py b/deltasigma/__init__.py
index 96aeeb5..0ce1c74 100644
--- a/deltasigma/__init__.py
+++ b/deltasigma/__init__.py
@@ -900,7 +900,7 @@
 __copyright__ = "Copyright 2013, Giuseppe Venturini"
 __credits__ = ["Giuseppe Venturini"]
 __license__ = "BSD 2-Clause License"
-__version__ = '0.2.1'
+__version__ = '0.2.2'
 __maintainer__ = "Giuseppe Venturini"
 __email__ = "ggventurini+github@gmail.com"
 __status__ = "Stable"