diff --git a/source/conf.py b/source/conf.py
index 74434d257927c6911d85625990aafc85bc5c0fbe..b491543e8033dcf64133ffcc8c5e0c8b7230da57 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -61,9 +61,9 @@ author = u'Benoit Mortier Paola Penati Jonathan Swaelens Thibault Dockx'
 # built documents.
 #
 # The short X.Y version.
-version = u'1.5'
+version = u'dev'
 # The full version, including alpha/beta/rc tags.
-release = u'1.5'
+release = u'dev'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.