diff --git a/vtr-verilog-to-routing b/vtr-verilog-to-routing
index 229e43e30..a668e3938 160000
--- a/vtr-verilog-to-routing
+++ b/vtr-verilog-to-routing
@@ -1 +1 @@
-Subproject commit 229e43e30bd7a99bf34239179ad957ca6e00f8da
+Subproject commit a668e393859ecbc85a113d54800f0ffd2272bbca