diff --git a/yosys b/yosys
index 0200a7680a..b2d78589e2 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 0200a7680a2d012e7737b01f07ec354b1bddf602
+Subproject commit b2d78589e2bf7f37cb89eeb85f859be4b17d9e8b