diff --git a/ArduCopter/ArduCopter.pde b/ArduCopter/ArduCopter.pde
index 602d5fffacf0828c039bd48e51fc8e3fdbd197f4..3ef0b5af9495ee8a1ea9e4e445031182087ca30c 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 V2.5.1"
+#define THISFIRMWARE "ArduCopter V2.5.2"
 /*
 ArduCopter Version 2.5
 Lead author:	Jason Short