diff --git a/.hgtags b/.hgtags
index 33aba726f1..918d2e6b07 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,2 +1,3 @@
 104c6a538cb716b5c27719d633c2d5aff8171646 3.8.0
 905096471c40bdbacfd13f42491991a9b27c21d7 4.0.0
+427e7da28ce7af6b2f4607253c9b235cc669b903 4.2.0