diff --git a/.hgtags b/.hgtags
index 1f3b994c4f4..a7ad329d42d 100644
--- a/.hgtags
+++ b/.hgtags
@@ -262,3 +262,4 @@ efe7dbc6088691757404e0c8745f894e3ca9c022 jdk9-b09
 410bccbded9e9cce80f1e13ad221e37ae97a3986 jdk9-b17
 c5495e25c7258ab5f96a1ae14610887d76d2be63 jdk9-b18
 2dcf544eb7ed5ac6a3f7813a32e33acea7442405 jdk9-b19
+89731ae72a761afdf4262e8b9513f302f6563f89 jdk9-b20