diff --git a/ArduCopter/ArduCopter.pde b/ArduCopter/ArduCopter.pde
index 709486044aeb12303c523c59bd91c489c9e353da..4c655c18683ad11d1731cb3a3b6dfb482f24f57c 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 V2.5.5"
+#define THISFIRMWARE "ArduCopter V2.6Beta"
 /*
 ArduCopter Version 2.5
 Lead author:	Jason Short