diff --git a/source/symbiflow-arch-defs b/source/symbiflow-arch-defs
index 7848bd1..318b480 160000
--- a/source/symbiflow-arch-defs
+++ b/source/symbiflow-arch-defs
@@ -1 +1 @@
-Subproject commit 7848bd17abab8d948efc7bc97f2cb9b4371a7154
+Subproject commit 318b4806c5982b525c6ecb4387578212d482d97d