diff --git a/src/lib/matrix b/src/lib/matrix
index 7656385ea1..9cd6ac3dd9 160000
--- a/src/lib/matrix
+++ b/src/lib/matrix
@@ -1 +1 @@
-Subproject commit 7656385ea1d3f0a374a8146430bc63cf02e66d6b
+Subproject commit 9cd6ac3dd9a255a1a2ef299da413c38a9040b8c7