diff --git a/.hgtags b/.hgtags
index c31cd6e854..d6dd3c9b24 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,3 +1,4 @@
 2f3087596765b0554b8c8f74e26cbd4bb9fe655a 1.6.0
 c45ec5ccc6fde4a739c85710cbf47d4b2e540b79 1.8.0
 63252c1e067021c0f3a79ad22774e63b6bdf4505 2.0.0
+a7f1fbbe39225f004b8414d4c6da362555b925e0 2.2.0