diff --git a/ArduCopter/version.h b/ArduCopter/version.h
index af98b55751..02d3f08af3 100644
--- a/ArduCopter/version.h
+++ b/ArduCopter/version.h
@@ -6,10 +6,10 @@
 
 #include "ap_version.h"
 
-#define THISFIRMWARE "ArduCopter V4.6.0-beta1"
+#define THISFIRMWARE "ArduCopter V4.6.0-beta2"
 
 // the following line is parsed by the autotest scripts
-#define FIRMWARE_VERSION 4,6,0,FIRMWARE_VERSION_TYPE_BETA
+#define FIRMWARE_VERSION 4,6,0,FIRMWARE_VERSION_TYPE_BETA+1
 
 #define FW_MAJOR 4
 #define FW_MINOR 6