diff --git a/ontobio/__init__.py b/ontobio/__init__.py
index 99459f05..d33d4873 100644
--- a/ontobio/__init__.py
+++ b/ontobio/__init__.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import
 
-__version__ = '2.9.7'
+__version__ = '2.9.8'
 
 
 from .ontol_factory import OntologyFactory