diff --git a/webmentiontools/__init__.py b/webmentiontools/__init__.py
index 58cc742..685f97e 100644
--- a/webmentiontools/__init__.py
+++ b/webmentiontools/__init__.py
@@ -1,4 +1,4 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-__version__ = '0.3.7'
+__version__ = '0.4.0'