diff --git a/.hgtags b/.hgtags
index 91029dbc00..d59a94c76e 100644
--- a/.hgtags
+++ b/.hgtags
@@ -2894,3 +2894,4 @@ e61a2b709f693eea9108d475b9bab5ed10ac675d v7-4-168
 4e3a9dd25d428e7c08ed401afc244972e27e08e6 v7-4-169
 8122eab8fcdbbdaac62dfbf7c6458cb3e6f46b04 v7-4-170
 beb037a6c2708f539d50840637f70eed0811d93c v7-4-171
+391e10afccf6879dcfab8b28cb1587a13eb835c0 v7-4-172