diff --git a/.hgtags b/.hgtags
index b6fff8a607..5474efd136 100644
--- a/.hgtags
+++ b/.hgtags
@@ -13,3 +13,4 @@ d4f14065664ab692ff901ce6f369360a7811925a 3.4.0
 d8ef5604b13ca80d62b751dc5f53b288e3bf0ab0 3.6.0
 640818e9e0f1e1afa892d0d32160265fa7462853 3.8.0
 40cbcfeedf3c70155a7e0bcb8166bfaf1bb7abd3 4.0.0
+d6bda941ab19f157f13b5d0958a6157f3c71c68d 4.2.0