diff --git a/.hgtags b/.hgtags
index 590993ea55..462eb24735 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,2 +1,3 @@
 c835144ba5fd172c9aa8714683e69ca60bc894bc 3.8.0
 20712dc81634af43f9e0ebb41b0dcea50ccffdd2 4.0.0
+963504a30207af5877c11368ac5dadbc5d28fee1 4.2.0