diff --git a/requirements.txt b/requirements.txt
index e69de29b..19ec4dee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -0,0 +1 @@
+jupyterhub>=0.5
diff --git a/version.py b/version.py
index 015259fe..c7d55736 100644
--- a/version.py
+++ b/version.py
@@ -3,11 +3,9 @@
 
 version_info = (
     0,
+    8,
     0,
-    1,
-    'dev', # comment-out this line for a release
+    'rc0', # comment-out this line for a release
 )
-__version__ = '.'.join(map(str, version_info[:3]))
+__version__ = '.'.join(map(str, version_info))
 
-if len(version_info) > 3:
-    __version__ = '%s-%s' % (__version__, version_info[3])