diff --git a/yosys b/yosys
index 112bcb090..bbb8ad599 160000
--- a/yosys
+++ b/yosys
@@ -1 +1 @@
-Subproject commit 112bcb0907cd2a1b9f2b232391cd3c9b63f9699d
+Subproject commit bbb8ad59973317afde365488cec6d25dc62d7304