diff --git a/ArduCopter/ArduCopter.pde b/ArduCopter/ArduCopter.pde
index 54f0adacaa45eaf45a34f099d0ce2480d3af89a1..30499f90be6d9aac4c6e9a3ca0d7bf9ce117111a 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 V3.2"
+#define THISFIRMWARE "ArduCopter V3.2.1-rc1"
 /*
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by