diff --git a/.hgtags b/.hgtags
index d3656515f9e4a585f212f067209aef70851e3cb7..89f5f01603589c18a57764b4d44ce0805a6eb97c 100644
--- a/.hgtags
+++ b/.hgtags
@@ -25,3 +25,4 @@ caf58ffa084568990cbb3441f9ae188e36b31770 jdk7-b42
 1bf51a4c2627c2f0e0cbcc2cf0421bdb37f1f2b2 jdk7-b48
 6b84b04a80afe23262377c60913eebfc898f14c4 jdk7-b49
 5da0e6b9f4f18ef483c977337214b12ee0e1fc8f jdk7-b50
+a25c5ec5e40e07733d1ff9898a0abe36159288ff jdk7-b51