diff --git a/yosys b/yosys
index 229d1ea93..c8b42b7d4 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 229d1ea9374ddec28ec4f7e3ca3eb4b404352f1b
+Subproject commit c8b42b7d48f126e937fd77393d95131f74459dfc