diff --git a/source/symbiflow-arch-defs b/source/symbiflow-arch-defs
index 971e49c..e1281bb 160000
--- a/source/symbiflow-arch-defs
+++ b/source/symbiflow-arch-defs
@@ -1 +1 @@
-Subproject commit 971e49c6a2639467f7b905702a4687e37b273735
+Subproject commit e1281bb840aec1824f08c2a6c6af140521b92661