diff --git a/jupyterhub/version.py b/jupyterhub/version.py
index ae184892..365435e7 100644
--- a/jupyterhub/version.py
+++ b/jupyterhub/version.py
@@ -5,8 +5,9 @@
 
 version_info = (
     0,
-    5,
+    6,
     0,
+    'dev',
 )
 
 __version__ = '.'.join(map(str, version_info))