diff --git a/.hgtags b/.hgtags
index 2af176a4ecb..3a05f85231b 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,3 +1,4 @@
+dad6746278facbbea57dd462cb56fb743dc0a5f0 jdk-9+172
 643b5f18c2656fe91b69fea85b07b98d5fad394d jdk-9+171
 898cbe31fbdae2d25d141384fac746cc244a730c jdk-9+170
 c7efde2b60fc1ec04630be769d9ad60efb39c39c jdk-9+169