diff --git a/68b50-dual-serial b/68b50-dual-serial
index b47b0ef..cc5a624 160000
--- a/68b50-dual-serial
+++ b/68b50-dual-serial
@@ -1 +1 @@
-Subproject commit b47b0efcbb6f435a6e9e3cb50a393008ae85735b
+Subproject commit cc5a624550f1de2301a5f90730e7eb3689096b3c