diff --git a/IPython/core/release.py b/IPython/core/release.py
index d49f3d1..0bf054f 100644
--- a/IPython/core/release.py
+++ b/IPython/core/release.py
@@ -22,8 +22,8 @@ name = 'ipython'
 _version_major = 2
 _version_minor = 0
 _version_patch = 0
-_version_extra = 'dev'
-# _version_extra = 'rc1'
+# _version_extra = 'dev'
+_version_extra = 'rc1'
 # _version_extra = ''  # Uncomment this for full releases
 
 codename = 'Work in Progress'
diff --git a/IPython/html/static/base/js/namespace.js b/IPython/html/static/base/js/namespace.js
index e865afd..e0fdf75 100644
--- a/IPython/html/static/base/js/namespace.js
+++ b/IPython/html/static/base/js/namespace.js
@@ -7,7 +7,7 @@
 
 var IPython = IPython || {};
 
-IPython.version = "2.0.0-dev";
+IPython.version = "2.0.0-rc1";
 
 IPython.namespace = function (ns_string) {
     "use strict";