diff --git a/yosys b/yosys
index bd28d2602..9f94ecf4e 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit bd28d26021c4bd2c3bcc9d60b0e6e7e93fbebc86
+Subproject commit 9f94ecf4ed88b78513daee078d2a497a710ee185