diff --git a/doc/source/conf.py b/doc/source/conf.py
index 0288704..95c7cfa 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -66,10 +66,10 @@ copyright = u'2014-2015, ctools developers'
 # built documents.
 #
 # The short X.Y version.
-version = '1.0'
+version = '0.9'
 
 # The full version, including alpha/beta/rc tags.
-release = '1.0.0'
+release = '0.9.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.