diff --git a/.hgtags b/.hgtags
index a4b49e4649..357fffc3bb 100644
--- a/.hgtags
+++ b/.hgtags
@@ -3043,3 +3043,4 @@ f6f7543043246107075f0d3739c471d51b7226da v7-4-311
 5c47dacf397c1c65d2dfc237b3ff395c66ec3d4d v7-4-318
 a076237d1c3849535681e82946a9041ed5525d7f v7-4-319
 f7bc601823e5c81e2ca412506a42eff9fd790ace v7-4-320
+c052937aae8ca5082f308b8ff0712c7eccdd30c8 v7-4-321