diff --git a/grblHAL_Teensy4/src/grbl b/grblHAL_Teensy4/src/grbl
index 0d27ba4..cad8d28 160000
--- a/grblHAL_Teensy4/src/grbl
+++ b/grblHAL_Teensy4/src/grbl
@@ -1 +1 @@
-Subproject commit 0d27ba4d1f4ffb0c3d8d9fc0e0ca68c6930f236b
+Subproject commit cad8d28ca8fbfd9c665d097948a5a250dc865d47