diff --git a/yosys b/yosys
index 3e2279181..59fbee400 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 3e227918105384dd955ce8b9908a0ebe36f8640f
+Subproject commit 59fbee4009f02f807d3b60888ff5eca6670e3a7f