diff --git a/.hgtags b/.hgtags
index 7303b0521b5a354adb907230aa0a5f1bda7283bd..8f2ea26891b5700637b74c589a1789a805042fcd 100644
--- a/.hgtags
+++ b/.hgtags
@@ -902,3 +902,4 @@ d7ad68db65467ef7a23c7e0c2bee9c0586586a68 jdk8u181-b08
 e6aa16bb85d17abb0b7750589995efae54a9a162 jdk8u181-b10
 528a472b73184dd5ab6769dbd19177e2dea74e96 jdk8u181-b11
 1fac8d007debb6d610ad70930a6b1b5a2a116957 jdk8u181-b12
+ecfe559a4dab47d872ee1a28d58c3b30a5e6d62b jdk8u181-b31