diff --git a/.hgtags b/.hgtags
index 43b571813ba..7d7a81f4ffd 100644
--- a/.hgtags
+++ b/.hgtags
@@ -420,3 +420,4 @@ dad6746278facbbea57dd462cb56fb743dc0a5f0 jdk-9+172
 94680c6d60ecd9ed3ffd1847706efde7eb947afc jdk-9+174
 994036e74ab805bcc09afa0646be17a725bec42f jdk-9+175
 43bf6f30fcba031ecf0cc7e511efe3a8179d0f77 jdk-9+176
+d9f6bc6ba599d0487dc18b2fbdb6c34eedf6f958 jdk-9+177