diff --git a/.hgtags b/.hgtags
index e6715621bd..84b9a09767 100644
--- a/.hgtags
+++ b/.hgtags
@@ -4,3 +4,4 @@
 13aaa00e9d8ea9a4f150e4fd6fe0be14b20faca0 1.6.0
 92ab8c6ebbde9f5981ffebdfae5eaa9f5e690ebe 1.8.0
 a105664d657d9cd55022e87f1718ce2e6bd22a0b 2.0.0
+c73d9b89bbd23e411978fb728178c426e6625a47 2.2.0