diff --git a/HISTORY.rst b/HISTORY.rst
index a8651044a..709f6c7fc 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -5,6 +5,12 @@ History
 
 .. to_doc
 
+---------------------
+0.22.0.dev0
+---------------------
+
+    
+
 ---------------------
 0.21.0 (2015-11-29)
 ---------------------
diff --git a/planemo/__init__.py b/planemo/__init__.py
index a5e06ca11..9878cc3ad 100644
--- a/planemo/__init__.py
+++ b/planemo/__init__.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-__version__ = '0.21.0'
+__version__ = '0.22.0.dev0'
 
 
 PROJECT_NAME = "planemo"