diff --git a/.hgtags b/.hgtags
index 000ae08bf9..5c2aebdeb2 100644
--- a/.hgtags
+++ b/.hgtags
@@ -7,3 +7,4 @@ c0f89534c7b31b15f867513c7a2dce88dfbb1483 3.4.0
 6565bdd04af024b8349e39cab68a5b0fdf7633e0 3.6.0
 c64ad3371bf482d5ce18a7a7abc820618126a17c 3.8.0
 0483c80be63b914a470598e4b215f9f2335f8b8d 4.0.0
+3a193b58b0a722b3b845d7c8c31b834979a77599 4.2.0