diff --git a/.hgtags b/.hgtags
index 5a0ae3d..566d695 100644
--- a/.hgtags
+++ b/.hgtags
@@ -48,3 +48,4 @@
 3a550477d79e4671fc6335cf6c0b59f179082bbf r1.48
 1b9588d9b4aa0ddd73b5d136d486f9a5a3371edb r1.49
 2836ec542e867fc2f06c092303a74dd1198de248 r1.50
+c776b4dcfe7330e631f71ab96f18ff6f2e25ff8b r1.51