diff --git a/.hgtags b/.hgtags
index fd65de68cc..0145e74990 100644
--- a/.hgtags
+++ b/.hgtags
@@ -13,3 +13,4 @@ b8e5502b8bd42741c92695a6540fade63bffbd43 2.6.0
 d2f9dbbcab386708468c523572888c7649e32851 3.6.0
 c540f2937c11c85591041fc8c2c4afd0ff53228f 3.8.0
 e8b3d84c1317eacc7b6b44b53b8ae70859b7977b 4.0.0
+b5442c0b44dc60bb6486bc308636bd37d1f5ff88 4.2.0