diff --git a/src/lib/matrix b/src/lib/matrix
index c34e8dc98f..973999a4d3 160000
--- a/src/lib/matrix
+++ b/src/lib/matrix
@@ -1 +1 @@
-Subproject commit c34e8dc98fd05ea55dcd4c9fc551b11a3d23a601
+Subproject commit 973999a4d3c6d4d85bf0153230974fd9571f7846