diff --git a/.hgtags b/.hgtags
index 9dfc2bf569e44a4fda8a0afc33f6e45d92518d41_LmhndGFncw==..aa3fc0f69b0373f2cd151529b94c635654a183a5_LmhndGFncw== 100644
--- a/.hgtags
+++ b/.hgtags
@@ -2,3 +2,4 @@
 440c74a3b23eb89c17d0e0d74b31face446f1987 TAG_1.1
 e0aa862214f82295b0d942bfb53f11d4d7f80e09 TAG_1.2
 ae9585f6103b8271c2b1fba26653b259e472be92 TAG_2.0
+9dfc2bf569e44a4fda8a0afc33f6e45d92518d41 TAG_2.1