diff --git a/langtools/.hgtags b/langtools/.hgtags
index 6f0231437fd..1f356ab2e17 100644
--- a/langtools/.hgtags
+++ b/langtools/.hgtags
@@ -341,3 +341,4 @@ c35ddcde581676275cfeff33e1a2b90b902593d9 jdk-9+95
 d2a44416cba39957ea231eedc2fb8aad7be1b30c jdk-9+96
 ae8cdc734bab4f19ef8babd2434dcf024672ad38 jdk-9+97
 345520da2ec17100cb512a53d541a307a195305e jdk-9+98
+cb73b474703e2de266542b505cffd658bcc052da jdk-9+99