diff --git a/src/lib/matrix b/src/lib/matrix
index 34fccdd680..c31686379c 160000
--- a/src/lib/matrix
+++ b/src/lib/matrix
@@ -1 +1 @@
-Subproject commit 34fccdd6806fbdf7635a6365d7ef112f3bbaab9a
+Subproject commit c31686379c7bbeacb469c3407b5e4ef159098c9c