diff --git a/.hgtags b/.hgtags
index 282b023e8e7b357c323f2bbc2d56040991f81651..509ea02f9489647d0900776e97d6aaa596b8b3aa 100644
--- a/.hgtags
+++ b/.hgtags
@@ -142,3 +142,4 @@ ec2c0973cc31e143cffc05ceb63d98fae76f97d4 jdk8-b16
 ab1b1cc7857716914f2bb20b3128e5a8978290f7 jdk8-b18
 77b2c066084cbc75150efc6603a713c558329813 jdk8-b19
 ffd294128a48cbb90ce8f0569f82b61f1f164a18 jdk8-b20
+bcb21abf1c4177baf4574f99709513dcd4474727 jdk8-b21