diff --git a/yosys b/yosys
index f9257d319..596da3f2a 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit f9257d319271917aac30f7bfb4f5b154ff559b18
+Subproject commit 596da3f2a64905237a013746e506bbfc16b8ccec