diff --git a/doc/source/conf.py b/doc/source/conf.py
index 8b3673ea3df279670ecfc13b75b52b6ec95e6fb3..0bfd8de089f295ec881c7126654ed7519f108ce3 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -63,9 +63,9 @@ author = u'Bertrand Néron'
 # built documents.
 #
 # The short X.Y version.
-version = '0.1a'
+version = '0.5'
 # The full version, including alpha/beta/rc tags.
-release = '0.1a'
+release = '0.5b1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.