diff --git a/classes/MD_STD b/classes/MD_STD
index 66a5b77..bb36388 160000
--- a/classes/MD_STD
+++ b/classes/MD_STD
@@ -1 +1 @@
-Subproject commit 66a5b77b51649e8555d6c3fcca11b2d54dc2eff0
+Subproject commit bb36388e7e7af37e79a72529545786f254577592