diff --git a/yosys b/yosys
index 19f4184a6..3a9968de9 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 19f4184a60b4e43f61c54236e7149a40b587d656
+Subproject commit 3a9968de914973f65928b724e889b134f8a4f2ae