diff --git a/yosys b/yosys
index 8216b23fb..9747e55d9 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 8216b23fb7b0ee1944403943eb066e0689129ba9
+Subproject commit 9747e55d9520631c4405ec42c02d5197c2ea57ab