diff --git a/src/lib/matrix b/src/lib/matrix
index 03a3e3ad46..b815fc97c4 160000
--- a/src/lib/matrix
+++ b/src/lib/matrix
@@ -1 +1 @@
-Subproject commit 03a3e3ad46d21bb90e78f8cedd3526d24617df5f
+Subproject commit b815fc97c4e686a93a8074f27d1830a031b0d38d