diff --git a/python/src/__init__.py b/python/src/__init__.py
index 998a00b..dd3852e 100644
--- a/python/src/__init__.py
+++ b/python/src/__init__.py
@@ -16,4 +16,4 @@
 
 from .otmorris import *
 
-__version__ = "0.13"
+__version__ = '0.15'