diff --git a/third_party/yosys b/third_party/yosys
index 4da6e19f..f3781f98 160000
--- a/third_party/yosys
+++ b/third_party/yosys
@@ -1 +1 @@
-Subproject commit 4da6e19fe1c326bb86e68f4446597c2163f3fbb2
+Subproject commit f3781f98db227f160e08b2fc7cf8c61f663a56c9