diff --git a/cmo/_version.py b/cmo/_version.py
index 7e40ef9..1297593 100644
--- a/cmo/_version.py
+++ b/cmo/_version.py
@@ -2,4 +2,4 @@
 # This file is originally generated from Git information by running 'setup.py
 # version'. Distribution tarballs contain a pre-generated copy of this file.
 
-__version__ = '1.6.7'
+__version__ = '1.6.8'