diff --git a/third_party/yosys b/third_party/yosys
index 17a53b83..502c39b8 160000
--- a/third_party/yosys
+++ b/third_party/yosys
@@ -1 +1 @@
-Subproject commit 17a53b83852886654a781eb9238e528d9c52484d
+Subproject commit 502c39b875f788bae422047fbbc06f2ef5fc17f0