diff --git a/.hgtags b/.hgtags
index 10f3c01aea9..abfcce911c5 100644
--- a/.hgtags
+++ b/.hgtags
@@ -15,3 +15,5 @@ fa27379094e7ef11c253e8653764ec2d25156cd5 stable
 24b3e3ecf084ab42ea4ce9c06767166d90e2fed8 stable
 24b3e3ecf084ab42ea4ce9c06767166d90e2fed8 stable
 27fdbfa4f722e703ff3c0ef6b7151963a4faf157 stable
+27fdbfa4f722e703ff3c0ef6b7151963a4faf157 stable
+0000000000000000000000000000000000000000 stable