diff --git a/.hgtags b/.hgtags
index b55f2017c48756e6d8cadef2077249dca638d17f..bd92c61029ce287feeb401b6ce12734bad2f4315 100644
--- a/.hgtags
+++ b/.hgtags
@@ -209,3 +209,4 @@ a2fef924d8e6f37dac2a887315e3502876cc8e24 hs23-b08
 4bcf61041217f8677dcec18e90e9196acc945bba hs23-b09
 9232e0ecbc2cec54dcc8f93004fb00c214446460 jdk8-b19
 fe2c8764998112b7fefcd7d41599714813ae4327 jdk8-b20
+9952d1c439d64c5fd4ad1236a63a62bd5a49d4c3 jdk8-b21