diff --git a/.hgtags b/.hgtags
index ced9220f3c..9f882fbb12 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1857,3 +1857,4 @@ b782e2f9e6892116ae5d068249b5198bbe0042c6 v7-3-511
 ec4ab9d832b0f5308c861423d99253fa496b3a3b v7-3-518
 ebec52bc2800b8e51e522425fdca5c252e6d4f8e v7-3-519
 7bafe52b6245761a242321352daca224e6b9df78 v7-3-520
+b14842cf382bd3f99ca090c985609c6dead5f9e0 v7-3-521