diff --git a/doc/source/conf.py b/doc/source/conf.py
index ef447ca817..349bce02ed 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -61,9 +61,9 @@ copyright = u'2010, United States Government as represented by the Administrator
 # built documents.
 #
 # The short X.Y version.
-version = '2010.1'
+version = '2011.1'
 # The full version, including alpha/beta/rc tags.
-release = '2010.1'
+release = '2011.1-prerelease'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.py b/setup.py
index 9525fde091..dab601290f 100644
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@ class local_sdist(sdist):
         sdist.run(self)
 
 setup(name='nova',
-      version='2010.1',
+      version='2011.1',
       description='cloud computing fabric controller',
       author='OpenStack',
       author_email='nova@lists.launchpad.net',