diff --git a/third_party/yosys b/third_party/yosys
index b47bb5c8..3c6a566d 160000
--- a/third_party/yosys
+++ b/third_party/yosys
@@ -1 +1 @@
-Subproject commit b47bb5c8100bf24c7075dc322f201779eda280b7
+Subproject commit 3c6a566d865e3d70f8793225a6d211ce3d6246a1