diff --git a/yosys b/yosys
index 8e1e2b9a3..59404f8ce 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 8e1e2b9a39fa6eb340165bfbf87509c4df26db6b
+Subproject commit 59404f8ce55506cfebfe39d1ad404d1ae62e0b0e