diff --git a/yosys b/yosys
index 0200a7680..a22ff47d6 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 0200a7680a2d012e7737b01f07ec354b1bddf602
+Subproject commit a22ff47d6290fca3518a54796ab3152a0776985f