diff --git a/.hgtags b/.hgtags
index b4146584130dc7fa284c13d54e295fb4c1eff194..d3428b3f9b898b1a006c7e5610c5736f385430b5 100644
--- a/.hgtags
+++ b/.hgtags
@@ -908,3 +908,4 @@ f26f68978e0e7ed0e6e61f9d64fa2d06f1c1a24c jdk8u181-b08
 1f7b9ad2c572fe2c905a771bac15f252e374c2c6 jdk8u181-b10
 112f3576f12e24d5e35d8d31782698e7d9a8fa52 jdk8u181-b11
 22e01e7c5c39bfa3f5e2d18be76c7bf0dc71033a jdk8u181-b12
+38b4a5b97f38c467446f1767d148075ac98397d1 jdk8u181-b31