diff --git a/.hgtags b/.hgtags
index 333fbdea1d..010831fd6c 100644
--- a/.hgtags
+++ b/.hgtags
@@ -12,3 +12,4 @@ f24f3bd3dcb18da6778d18215204ebc3b1466f04 3.0.0
 3574b7c3ed4b5e0c0efc1a03a10c01d22b0b931b 3.6.0
 19a676437ceea107434da68acbae9a236fb411fd 3.8.0
 939bc69d8f152241d27b2fe9417ce138b6f0d427 4.0.0
+3729456a3d83ebc8877c7a934c4ea7fd869d9d83 4.2.0