diff --git a/src/grbl b/src/grbl
index 2952a3e..8dc30ad 160000
--- a/src/grbl
+++ b/src/grbl
@@ -1 +1 @@
-Subproject commit 2952a3eeb9f519c7f321e0c13a8d409338c8dbb1
+Subproject commit 8dc30ad89c03ec5f9614f2291734925639df116b