diff --git a/backend/apps/ifc_validation_models b/backend/apps/ifc_validation_models
index d6ef6b0..dff410e 160000
--- a/backend/apps/ifc_validation_models
+++ b/backend/apps/ifc_validation_models
@@ -1 +1 @@
-Subproject commit d6ef6b03bf6b89616a377a32ad20fe34a28a8661
+Subproject commit dff410e097c481f10fffcb6973ff48d3cc5441cb