diff --git a/grblHAL_Teensy4/src/grbl b/grblHAL_Teensy4/src/grbl
index 2068165..6c0bd64 160000
--- a/grblHAL_Teensy4/src/grbl
+++ b/grblHAL_Teensy4/src/grbl
@@ -1 +1 @@
-Subproject commit 2068165e62c949bda37e7006aebd1406b18d76d2
+Subproject commit 6c0bd647a5a758bc8da995b9288553d7abf647f9