diff --git a/Pure.Diagram.RichRelationalModel.Abstractions b/Pure.Diagram.RichRelationalModel.Abstractions
index 257636d..77524a6 160000
--- a/Pure.Diagram.RichRelationalModel.Abstractions
+++ b/Pure.Diagram.RichRelationalModel.Abstractions
@@ -1 +1 @@
-Subproject commit 257636d820f1774d9333bd4281647594e6fae324
+Subproject commit 77524a637a3f40839016a1da44ea88327a9db05a