diff --git a/yosys b/yosys
index 0200a7680..4581f75b0 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 0200a7680a2d012e7737b01f07ec354b1bddf602
+Subproject commit 4581f75b03a25b615a9715516854c424b580f7ab