diff --git a/ArduPlane/version.h b/ArduPlane/version.h
index 2cc0a0941a..27d05d5d63 100644
--- a/ArduPlane/version.h
+++ b/ArduPlane/version.h
@@ -6,15 +6,15 @@
 
 #include "ap_version.h"
 
-#define THISFIRMWARE "ArduPlane V4.6.0-dev"
+#define THISFIRMWARE "ArduPlane V4.6.0-beta1"
 
 // the following line is parsed by the autotest scripts
-#define FIRMWARE_VERSION 4,6,0,FIRMWARE_VERSION_TYPE_DEV
+#define FIRMWARE_VERSION 4,6,0,FIRMWARE_VERSION_TYPE_BETA
 
 #define FW_MAJOR 4
 #define FW_MINOR 6
 #define FW_PATCH 0
-#define FW_TYPE FIRMWARE_VERSION_TYPE_DEV
+#define FW_TYPE FIRMWARE_VERSION_TYPE_BETA
 
 #include <AP_Common/AP_FWVersionDefine.h>
 #include <AP_CheckFirmware/AP_CheckFirmwareDefine.h>