diff --git a/.hgtags b/.hgtags
index 775be4fd9c..5b8b2b31b6 100644
--- a/.hgtags
+++ b/.hgtags
@@ -5,3 +5,4 @@ dd5101ebaec9f7d1d13071e0e1ffcf3958a6b0f1 1.6.0
 13263ec7282b5a58dedd84cceb8e33de76a6952e 1.8.0
 4a6f7eb2afa6f6aa315fac3148397a01b0d6ed8e 2.0.0
 746ade947a1b66841722d5bfb4e50a3f87c18c9f 2.2.0
+5cbbd44329b62096520d3c5251fb556623b260ac 2.2.1