diff --git a/yosys b/yosys
index 91fbd5898..1e42b4f0f 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 91fbd58980e87ad5dc0a5d37c049ffaf5ab243dd
+Subproject commit 1e42b4f0f9cc1d2f4097ea632a93be3473b0c2f7