diff --git a/yosys b/yosys
index 1eaf4e079..72f77dd97 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 1eaf4e0790d0336e0c30bfd3341629c68c86d544
+Subproject commit 72f77dd97bad06935aa2d347ae5250c0d92c7d44