diff --git a/.hgtags b/.hgtags
index 27abcd399a..f956fc3740 100644
--- a/.hgtags
+++ b/.hgtags
@@ -5,3 +5,4 @@ e2d31d59de7745de70199b7c340d78b7c4775723 1.4.0
 af3a6063b46bf8739a513a06400fbb9858b5869b 1.8.0
 3475040a8fe081b1b8609350186b779cc640fba4 2.0.0
 1df3f0702c621e65279af52d1f87725747ae8fa4 2.2.0
+af6022801b6350ee477f6eef4e81baf2a247baa7 2.2.1