diff --git a/.hgtags b/.hgtags
index 4964e1fd56..dbc1ab664f 100644
--- a/.hgtags
+++ b/.hgtags
@@ -2886,3 +2886,4 @@ f29febf858be9c7df896cc86ea89c3da8823b4fb v7-4-160
 91f3908748c29b0e8e759ac4cdafc95e536eab9a v7-4-161
 477665b4105fa80e3655981790e55fc9babfeed5 v7-4-162
 7db84aadd37aaf9d59f8f15dd6783a4e28dcb63c v7-4-163
+a01819fb6e2b5c270dac492ab2fe923ea9301651 v7-4-164