diff --git a/.hgtags b/.hgtags
index c053c54..ed3d808 100755
--- a/.hgtags
+++ b/.hgtags
@@ -22,3 +22,4 @@ ebc459f0250585dcb2414d4041eda4efe0484ad9 1.10.3
 44de11b0bce6a2578aad362ec83218fb71d6336e 1.10.5
 225482213fb911cb07f22a837b34114a86c0a635 1.11
 b28ec733884f5ac600d788514c2854ee924a993a 2.0
+4d72a7d6bb968987a1f35cda26958c9c5bf88aae 2.1