diff --git a/tools/yosys b/tools/yosys
index 60f126cd00..9ed031ddd5 160000
--- a/tools/yosys
+++ b/tools/yosys
@@ -1 +1 @@
-Subproject commit 60f126cd00c94892782470192d6c9f7abebe7c05
+Subproject commit 9ed031ddd588442f22be13ce608547a5809b62f0