diff --git a/third_party/yosys b/third_party/yosys
index 903cd58a..4da6e19f 160000
--- a/third_party/yosys
+++ b/third_party/yosys
@@ -1 +1 @@
-Subproject commit 903cd58acf7c490e0b75e34742966dc62e61028f
+Subproject commit 4da6e19fe1c326bb86e68f4446597c2163f3fbb2