diff --git a/tools/yosys b/tools/yosys
index 863f409..a961373 160000
--- a/tools/yosys
+++ b/tools/yosys
@@ -1 +1 @@
-Subproject commit 863f40978e798f8002bac989a1cb1c755ef1165e
+Subproject commit a961373c0de03f81ede390c220d473f1a6f571e0