diff --git a/doc/source/conf.py b/doc/source/conf.py
index 97d4b35c..236cb807 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -49,9 +49,9 @@ copyright = '2011, Luke Campagnola'
 # built documents.
 #
 # The short X.Y version.
-version = '1.8'
+version = ''
 # The full version, including alpha/beta/rc tags.
-release = '1.8'
+release = ''
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.