diff --git a/.hgtags b/.hgtags
index 07418398abe91b0d9689547c952d675710889f52..00f7d6278de20de20e279307b8469381bbe7eecd 100644
--- a/.hgtags
+++ b/.hgtags
@@ -267,3 +267,4 @@ e3619706a7253540a2d94e9e841acaab8ace7038 jdk8-b49
 72e0362c3f0cfacbbac8af8a5b9d2e182f21c17b hs24-b18
 58f237a9e83af6ded0d2e2c81d252cd47c0f4c45 jdk8-b50
 3b3ad16429701b2eb6712851c2f7c5a726eb2cbe hs24-b19
+663fc23da8d51c4c0552cbcb17ffc85f5869d4fd jdk8-b51