diff --git a/pycmx/__init__.py b/pycmx/__init__.py
index a6731ef..d6140fe 100644
--- a/pycmx/__init__.py
+++ b/pycmx/__init__.py
@@ -1,3 +1,5 @@
 # pycmx init
 
 from .parse_cmx import parse_cmx3600
+
+__version__ = '0.5'