diff --git a/ArduCopter/ArduCopter.pde b/ArduCopter/ArduCopter.pde
index bbea7ba51cde770924d467dee189c9fef849114d..cac2ba85fddc67648e9586c3b8d2cab4f3123299 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 V2.4"
+#define THISFIRMWARE "ArduCopter V2.4.1"
 /*
 ArduCopter Version 2.4
 Authors:	Jason Short