diff --git a/.hgtags b/.hgtags
index c8042a0088..cdbc274ca0 100644
--- a/.hgtags
+++ b/.hgtags
@@ -14,3 +14,4 @@ ddd6516306dd09e3049fb95ff94b4ce48687e200 3.4.0
 e122da9f78841562722820efbf4d64e4c390e8af 3.6.0
 5dcc2dd84f2145e78882af143cad5111c31f09b6 3.8.0
 c0a58dc8306d6885126b9613ad4b36e0a95b75f0 4.0.0
+afc53d87c88438c9c8e56629e994836844e32dbe 4.2.0