diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -227,3 +227,4 @@ 067f2c53fb24506c9e9fb4639871b13b19a85f8a
 411dc27fd9fd076d6a031a08fcaace659afe2fe3 5.8.1
 d7515d29761d5ada7d9c765f517db67db75dea9a 5.9rc0
 2813d406b03607cdb8c06cb04c44efcc9a79d9a2 5.9rc1
+53221078e0de65d1a821ce5311dec45a7a978301 5.9