diff --git a/IPython/core/release.py b/IPython/core/release.py
index 2cb20d7..0cafd66 100644
--- a/IPython/core/release.py
+++ b/IPython/core/release.py
@@ -24,7 +24,7 @@ _version_minor = 9
 _version_patch = 0
 _version_extra = '.dev'
 # _version_extra = 'b1'
-# _version_extra = ''  # Uncomment this for full releases
+_version_extra = ''  # Uncomment this for full releases
 
 # Construct full version string from these.
 _ver = [_version_major, _version_minor, _version_patch]