diff --git a/source/symbiflow-arch-defs b/source/symbiflow-arch-defs
index e4180ba..1576447 160000
--- a/source/symbiflow-arch-defs
+++ b/source/symbiflow-arch-defs
@@ -1 +1 @@
-Subproject commit e4180bab98a7d9ab868dba89df1de68026067dc6
+Subproject commit 1576447622842f6fa4985ea2c91c2809201957a5