diff --git a/source/symbiflow-arch-defs b/source/symbiflow-arch-defs
index 21fc764..c1f8fb9 160000
--- a/source/symbiflow-arch-defs
+++ b/source/symbiflow-arch-defs
@@ -1 +1 @@
-Subproject commit 21fc7640924550f01f61f137a5f61c6683d8fc98
+Subproject commit c1f8fb92b00c2f332916779535bf6160febeb2bd