diff --git a/.hgtags-top-repo b/.hgtags-top-repo
index 26c2321b403..7bbd63e09a8 100644
--- a/.hgtags-top-repo
+++ b/.hgtags-top-repo
@@ -291,3 +291,4 @@ f7c11da0b0481d49cc7a65a453336c108191e821 jdk9-b42
 12f1e276447bcc81516e85367d53e4f08897049d jdk9-b46
 b6cca3e6175a69f39e5799b7349ddb0176630291 jdk9-b47
 0064e246d83f6f9fc245c19b6d05041ecaf4b6d4 jdk9-b48
+d91ed1951b948210590ce1394bea5515357246ba jdk9-b49