diff --git a/source/symbiflow-arch-defs b/source/symbiflow-arch-defs
index ca89898..958839c 160000
--- a/source/symbiflow-arch-defs
+++ b/source/symbiflow-arch-defs
@@ -1 +1 @@
-Subproject commit ca89898ab44cb5fd429968cc99a60feb53cb22c9
+Subproject commit 958839cea6a3d1e839b20eaf021841fa3bb4c884