diff --git a/HISTORY.rst b/HISTORY.rst
index 670491b1714e6102bb52de4b3b0052ec60795e1b..53d5416c31f086140d913bf98a2dfd236f0423e5 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -5,6 +5,12 @@ History
 
 .. to_doc
 
+---------------------
+0.13.0.dev0
+---------------------
+
+    
+
 
 ---------------------
 0.12.1 (2019-06-03)
diff --git a/pulsar/__init__.py b/pulsar/__init__.py
index 6803248e595c77cf22c6599c31bb0c4ccd76ec3a..56f8eaa86d4adcc9f6b66f78711c72b4e32a5d82 100644
--- a/pulsar/__init__.py
+++ b/pulsar/__init__.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-__version__ = '0.12.1'
+__version__ = '0.13.0.dev0'
 
 PROJECT_NAME = "pulsar"
 PROJECT_OWNER = PROJECT_USERAME = "galaxyproject"