diff --git a/.hgtags b/.hgtags
index b9c8b14585..5a77f141f6 100644
--- a/.hgtags
+++ b/.hgtags
@@ -2,3 +2,4 @@
 97a219de58a61e0c74d1a06a328eaef7f2c807cd 1.6.0
 348ba24dd47fbed3527b4df625345203ab1f10ec 1.8.0
 e037ec26748b385014a93507201c4e23ce7a9059 2.0.0
+90ba5d041ead63adb3102ada77c6d25ca02f807a 2.2.0