diff --git a/.hgtags b/.hgtags
index 1d02672d5d7c6b32437735111fbf1d01a1483ce2..a4de5b7a319e04f7ddb9f50114354f3099bdbfc7 100644
--- a/.hgtags
+++ b/.hgtags
@@ -684,3 +684,4 @@ dc1dd2e6cf8e094c4a8437d54ebc7bac1f7ab964 jdk8u121-b06
 b634abfcd98fb8b201da9208e398ea17cabd2b32 jdk8u121-b11
 7fc347da372c8c4e5530a7fa32084b5dbc4ee8b6 jdk8u121-b12
 f634736433d9fc1cffbdc55611f97ecb2cd44059 jdk8u121-b13
+1dc3121986c615c2ac1f5e7d6705b197c5dfcae6 jdk8u121-b31