diff --git a/reana_commons/version.py b/reana_commons/version.py
index 5aaff729..911bb179 100755
--- a/reana_commons/version.py
+++ b/reana_commons/version.py
@@ -14,4 +14,4 @@
 
 from __future__ import absolute_import, print_function
 
-__version__ = "0.4.0"
+__version__ = "0.5.0.dev20181116"