diff --git a/arch b/arch
index 228b63193d9..a4ca7854dd0 160000
--- a/arch
+++ b/arch
@@ -1 +1 @@
-Subproject commit 228b63193d95433f447d9385847e93d86d595352
+Subproject commit a4ca7854dd02301803c47ff566e9e7b1c55fe8c8