diff --git a/ArduPlane/version.h b/ArduPlane/version.h
index 48c2e4de6e..1f9b3feb84 100644
--- a/ArduPlane/version.h
+++ b/ArduPlane/version.h
@@ -6,10 +6,10 @@
 
 #include "ap_version.h"
 
-#define THISFIRMWARE "ArduPlane V4.0.6beta2"
+#define THISFIRMWARE "ArduPlane V4.0.6beta4"
 
 // the following line is parsed by the autotest scripts
-#define FIRMWARE_VERSION 4,0,6,FIRMWARE_VERSION_TYPE_BETA+1
+#define FIRMWARE_VERSION 4,0,6,FIRMWARE_VERSION_TYPE_BETA+3
 
 #define FW_MAJOR 4
 #define FW_MINOR 0