diff --git a/third_party/tools/yosys b/third_party/tools/yosys
index ceba8896411a8..e4c8bb0ac54d2 160000
--- a/third_party/tools/yosys
+++ b/third_party/tools/yosys
@@ -1 +1 @@
-Subproject commit ceba8896411a87910e1a449c47f631e3a1128fee
+Subproject commit e4c8bb0ac54d2137184d39929dafb2899451370b