diff --git a/grblHAL_Teensy4/src/grbl b/grblHAL_Teensy4/src/grbl
index 37a2ea9..edd243a 160000
--- a/grblHAL_Teensy4/src/grbl
+++ b/grblHAL_Teensy4/src/grbl
@@ -1 +1 @@
-Subproject commit 37a2ea92913961e969f5a7259fa1246c6cee30ed
+Subproject commit edd243ac8a504e0f658630fc92a91ca3cf9375b1