diff --git a/.hgtags b/.hgtags
index 517d2151b..1f16b456f 100644
--- a/.hgtags
+++ b/.hgtags
@@ -468,3 +468,4 @@ bfbc52374adcbf2f9060afd62de940f6fab3bba5 release-1.21.2
 d986378168fd4d70e0121cabac274c560cca9bdf release-1.21.5
 714eb4b2c09e712fb2572a2164ce2bf67638ccac release-1.21.6
 f669c9c2a617d80daf753e012265ab5290df0d9b release-1.22.0
+af7a3fb7558f28b3e74631f460995a09d529578a release-1.22.1