diff --git a/docs/conf.py b/docs/conf.py
index e2ac758b..5718dc6d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -56,9 +56,9 @@ author = 'Mailu authors'
 # built documents.
 #
 # The short X.Y version.
-version = '1.5'
+version = 'latest'
 # The full version, including alpha/beta/rc tags.
-release = '1.5'
+release = 'latest'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.