diff --git a/src/lte/doc/source/conf.py b/src/lte/doc/source/conf.py
index 5a278dfc0..7a4f74148 100644
--- a/src/lte/doc/source/conf.py
+++ b/src/lte/doc/source/conf.py
@@ -49,9 +49,9 @@ copyright = u'2011, CTTC'
 # built documents.
 #
 # The short X.Y version.
-version = '2011-11-04'
+version = 'M4'
 # The full version, including alpha/beta/rc tags.
-version = '2011-11-04'
+release = 'M4'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.