diff --git a/yosys b/yosys
index 5813809ad..236e15f3b 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 5813809ad9afbe1c38f65c6aae7c3441d7614d0b
+Subproject commit 236e15f3b06fc4a05143399cf10b682996d5c509