diff --git a/.hgtags b/.hgtags
index 51557579a1..cfec6486c3 100644
--- a/.hgtags
+++ b/.hgtags
@@ -3142,3 +3142,4 @@ d4e0c197e97968050596f4c441552383e31db63b v7-4-411
 e60327caf9095d5ec067a5ab47bf4a69c0f58580 v7-4-417
 00f58478e38b68faf783d8fe70c1439fe9dd732d v7-4-418
 0a42938f449cf306a429db373106d5e29d8d4312 v7-4-419
+93aa0340130912c69d4093fc626a3cbb0cc7ad68 v7-4-420