diff --git a/.hgtags b/.hgtags
index 35393e0..5bb625c 100644
--- a/.hgtags
+++ b/.hgtags
@@ -6,3 +6,4 @@ f2081524a7df007877ea0e8f692ededb982dc1e7 1.2
 00a63ffafb3961ba1368c5bbfd6064b59c788127 1.3
 eeef6cfb992fd569ee0b0cae9d30e65d761a6dc7 1.4
 06fa3ceb466209e0514e373067c8a1ded6bed722 2.0
+bf4915f3ec24572064e04b95e29ce323b64d5ee9 2.1