diff --git a/.hgtags b/.hgtags
index 3897f75798..ccc3439f5e 100644
--- a/.hgtags
+++ b/.hgtags
@@ -129,3 +129,4 @@ b3d5a20b070a92da2458c5788694d1359b353f4a go1.2rc5
 9c4fdd8369ca4483fbed1cb8e67f02643ca10f79 release
 f8b50ad4cac4d4c4ecf48324b4f512f65e82cc1c go1.3beta1
 9e1652c32289c164126b6171f024afad5665fc9e go1.3beta2
+9d5451df4e53acc58a848005b7ec3a24c4b6050c go1.3rc1