diff --git a/Grbl_Esp32/src/Grbl.h b/Grbl_Esp32/src/Grbl.h
index 4d9ce8ab..ae9ac6b7 100644
--- a/Grbl_Esp32/src/Grbl.h
+++ b/Grbl_Esp32/src/Grbl.h
@@ -22,7 +22,7 @@
 
 // Grbl versioning system
 const char* const GRBL_VERSION       = "1.3a";
-const char* const GRBL_VERSION_BUILD = "20211016";
+const char* const GRBL_VERSION_BUILD = "20211028";
 
 //#include <sdkconfig.h>
 #include <Arduino.h>
diff --git a/Grbl_Esp32/src/Machine.h b/Grbl_Esp32/src/Machine.h
index 15a146f9..11ab8406 100644
--- a/Grbl_Esp32/src/Machine.h
+++ b/Grbl_Esp32/src/Machine.h
@@ -8,7 +8,8 @@
 // !!! For initial testing, start with test_drive.h which disables
 // all I/O pins
 // #include "Machines/atari_1020.h"
-#    include "Machines/6_pack_TMC2130_XYZ_Test.h"
+#    include "Machines/test_drive.h"
+
 // !!! For actual use, change the line above to select a board
 // from Machines/, for example:
 // #include "Machines/3axis_v4.h"