diff --git a/.hgtags b/.hgtags
index 1eeccd063a..112fd71745 100644
--- a/.hgtags
+++ b/.hgtags
@@ -4,3 +4,4 @@ a194a1b7c60769f1d3dc847006440be35609ee09 3.4.0
 1e1ada5c238f9e03c696877a237fe2e5eb51a804 3.6.0
 c92b890fd994b9fec5745a294018fa263dfcc444 3.8.0
 eb3a77d0925df79a1ac2e7bea95f38a5cb9703e4 4.0.0
+115f9e97cb33ca748fb1d51275127c272458b56e 4.2.0