diff --git a/yosys b/yosys
index 1e42b4f0f..e9cd6ca9e 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 1e42b4f0f9cc1d2f4097ea632a93be3473b0c2f7
+Subproject commit e9cd6ca9e8f9c8c729044e83811762ce13e84a12