diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -97,3 +97,4 @@ 209e04a06467e2969c0cc6501335be0406d46ef0
 ca387377df7a3a67dbb90b6336b781cdadc3ef41 2.8.2
 8862469e16f9236208581b20de5f96bd13cc039d 2.9-rc
 3cec5134e9c4bceab6a00c60f52a4f80677a78f2 2.9
+b96cb15ec9e04d8ac5ee08b34fcbbe4200588965 2.9.1