diff --git a/basic_materials b/basic_materials
index 78a9b38..97e2bd7 160000
--- a/basic_materials
+++ b/basic_materials
@@ -1 +1 @@
-Subproject commit 78a9b38f556a42260de3095f259b1b69a57cdbad
+Subproject commit 97e2bd7fb8df31719669ee7bf0a91d874fbded0c