diff --git a/grblHAL_Teensy4/src/grbl b/grblHAL_Teensy4/src/grbl
index aa08dc8..4b9782e 160000
--- a/grblHAL_Teensy4/src/grbl
+++ b/grblHAL_Teensy4/src/grbl
@@ -1 +1 @@
-Subproject commit aa08dc8d43ddb2dd44e7d57d3b1f5b29a3145525
+Subproject commit 4b9782e4524bcd922815264308b36fb359ae5683