diff --git a/src/serial b/src/serial
index c1e1585..d8d1606 160000
--- a/src/serial
+++ b/src/serial
@@ -1 +1 @@
-Subproject commit c1e158565dd98e897bb0f944e226793957d2df47
+Subproject commit d8d160678aa0b31cdf467c052b954fa287cc6cdf