diff --git a/.hgtags b/.hgtags
index 7ce8d28d87..8a083d872b 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,2 +1,3 @@
 24769ed89c1cfc33913a1953a896c45c78519ae6 3.8.0
 7bde902920f8e5cb1ab67c5ac7ca0d56d750b9d7 4.0.0
+bfbb26fc20fc2c70e75e4b610ab2b89ba0cb0786 4.2.0