diff --git a/ArduPlane/version.h b/ArduPlane/version.h
index 2b0ab96909..27d8bdb7a5 100644
--- a/ArduPlane/version.h
+++ b/ArduPlane/version.h
@@ -6,14 +6,12 @@
 
 #include "ap_version.h"
 
-#define THISFIRMWARE "ArduPlane V3.9.2"
+#define THISFIRMWARE "ArduPlane V3.9.3beta1"
 
 // the following line is parsed by the autotest scripts
-#define FIRMWARE_VERSION 3,9,2,FIRMWARE_VERSION_TYPE_OFFICIAL
+#define FIRMWARE_VERSION 3,9,3,FIRMWARE_VERSION_TYPE_BETA
 
 #define FW_MAJOR 3
 #define FW_MINOR 9
-#define FW_PATCH 2
-#define FW_TYPE FIRMWARE_VERSION_TYPE_OFFICIAL
-
-
+#define FW_PATCH 3
+#define FW_TYPE FIRMWARE_VERSION_TYPE_BETA