diff --git a/HISTORY.rst b/HISTORY.rst
index f757f5b60..320b0d2de 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -5,6 +5,12 @@ History
 
 .. to_doc
 
+---------------------
+0.26.0.dev0
+---------------------
+
+    
+
 ---------------------
 0.25.1 (2016-05-11)
 ---------------------
diff --git a/planemo/__init__.py b/planemo/__init__.py
index 511d6edae..5342d9fe9 100644
--- a/planemo/__init__.py
+++ b/planemo/__init__.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-__version__ = '0.25.1'
+__version__ = '0.26.0.dev0'
 
 
 PROJECT_NAME = "planemo"