diff --git a/yosys b/yosys
index 855ac285f..bd28d2602 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 855ac285f49277ba9007f5808f5350ec656db852
+Subproject commit bd28d26021c4bd2c3bcc9d60b0e6e7e93fbebc86