diff --git a/third_party/yosys b/third_party/yosys
index 91fbd589..078b876f 160000
--- a/third_party/yosys
+++ b/third_party/yosys
@@ -1 +1 @@
-Subproject commit 91fbd58980e87ad5dc0a5d37c049ffaf5ab243dd
+Subproject commit 078b876f505647c992479c2afcf50f0850ea6fac