diff --git a/third_party/yosys b/third_party/yosys
index c023b948..b04d0e09 160000
--- a/third_party/yosys
+++ b/third_party/yosys
@@ -1 +1 @@
-Subproject commit c023b9485a5a6ba336fa6d96a3412840955892bb
+Subproject commit b04d0e09e83102e14a53bb8b8dcc8c35f63b2fbe