diff --git a/yosys-src b/yosys-src
index 1bf908d..6155c59 160000
--- a/yosys-src
+++ b/yosys-src
@@ -1 +1 @@
-Subproject commit 1bf908dea8e09f29e10b7eb44501151a63c68eb3
+Subproject commit 6155c59d00125c58b4eb66f419ef6485439c0de2