diff --git a/yosys b/yosys
index 84116c9a3..91fbd5898 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 84116c9a38546d549c9b122983441d69544854ab
+Subproject commit 91fbd58980e87ad5dc0a5d37c049ffaf5ab243dd