diff --git a/yosys b/yosys
index d5d2bf815..b04d0e09e 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit d5d2bf815ae73cd9e003196e0b880e98b42caa1a
+Subproject commit b04d0e09e83102e14a53bb8b8dcc8c35f63b2fbe