diff --git a/.hgtags b/.hgtags
index adee0eba120..135d3b803ef 100644
--- a/.hgtags
+++ b/.hgtags
@@ -43,3 +43,5 @@ f7e692dc29b02fba8e5d59b967880a347b53607c release.2010-12-02
 56e39c466cc1c49b587eb56dc2166d61151637df release.2010-12-08
 26f4898dc1ca18bb77f9968aca23773637e34f0d release.2010-12-15
 61b2c52b0d2246430395f2869d7b34e565333cf5 release.2010-12-15.1
+51c777dbccb9f537ebffb99244f521c05bf65df6 release.2010-12-22
+51c777dbccb9f537ebffb99244f521c05bf65df6 release