diff --git a/third_party/yosys b/third_party/yosys
index 4581f75b0..8acc77c1e 160000
--- a/third_party/yosys
+++ b/third_party/yosys
@@ -1 +1 @@
-Subproject commit 4581f75b03a25b615a9715516854c424b580f7ab
+Subproject commit 8acc77c1e0e7c67ab174875556ce6743faf9efae