diff --git a/libs/matrix-structs b/libs/matrix-structs
index 3555ec1c..6557e18a 160000
--- a/libs/matrix-structs
+++ b/libs/matrix-structs
@@ -1 +1 @@
-Subproject commit 3555ec1cfc3865e0ae47c0fa53c9ea00f1e7cb36
+Subproject commit 6557e18acd5f5c7c56fffc364054bad75e5c1d8a