diff --git a/source/symbiflow-arch-defs b/source/symbiflow-arch-defs
index c501cee..e4180ba 160000
--- a/source/symbiflow-arch-defs
+++ b/source/symbiflow-arch-defs
@@ -1 +1 @@
-Subproject commit c501ceea4edb786e7a90841cc43bfd68c5c7b61d
+Subproject commit e4180bab98a7d9ab868dba89df1de68026067dc6