diff --git a/.hgtags b/.hgtags
index f3a9797d11..5d104411e3 100644
--- a/.hgtags
+++ b/.hgtags
@@ -13,3 +13,4 @@ b4396e6d96ae5805c1a689fde36975477f35aeae 3.2.0
 4f84c804d6fe354b09ba7486a10b141d8dad4c76 3.6.0
 032e3df6fbeca1cf50706b9d82a8c7bdd18e5824 3.8.0
 2b600473d4a9fa83f068c3f6c8b7fb552cfbb1c1 4.0.0
+f8e0b6bfedb3f4628076dcf5fdc1b1729668ead0 4.2.0