diff --git a/ArduCopter/ArduCopter.pde b/ArduCopter/ArduCopter.pde
index c498f3ac980fcc3717adca167c0e6246c255ffd0..ef399b5f97e6d91692070ddc0557963697bcddff 100644
--- a/ArduCopter/ArduCopter.pde
+++ b/ArduCopter/ArduCopter.pde
@@ -1,6 +1,6 @@
 /// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 
-#define THISFIRMWARE "ArduCopter V2.0.51"
+#define THISFIRMWARE "ArduCopter V2.1.0 Alpha"
 /*
 ArduCopter Version 2.0 Beta
 Authors:	Jason Short