diff --git a/invenio_upgrader/version.py b/invenio_upgrader/version.py
index 48734e0..48c54d9 100644
--- a/invenio_upgrader/version.py
+++ b/invenio_upgrader/version.py
@@ -28,4 +28,4 @@
 and parsed by ``setup.py``.
 """
 
-__version__ = "0.1.2"
+__version__ = "0.1.3.dev20150923"