diff --git a/IPython/core/release.py b/IPython/core/release.py
index 4decbe6..c4023b1 100644
--- a/IPython/core/release.py
+++ b/IPython/core/release.py
@@ -21,10 +21,10 @@ name = 'ipython'
 # version
 _version_major = 1
 _version_minor = 1
-_version_patch = 0
-# _version_extra = 'dev'
+_version_patch = 1
+_version_extra = 'dev'
 # _version_extra = 'rc1'
-_version_extra = ''  # Uncomment this for full releases
+# _version_extra = ''  # Uncomment this for full releases
 
 codename = 'An Afternoon Hack'