diff --git a/ArduPlane/version.h b/ArduPlane/version.h
index 51fc27ca06..395eb51574 100644
--- a/ArduPlane/version.h
+++ b/ArduPlane/version.h
@@ -6,13 +6,12 @@
 
 #include "ap_version.h"
 
-#define THISFIRMWARE "ArduPlane V3.9.9beta4"
+#define THISFIRMWARE "ArduPlane V3.9.9"
 
 // the following line is parsed by the autotest scripts
-#define FIRMWARE_VERSION 3,9,8,FIRMWARE_VERSION_TYPE_BETA+3
+#define FIRMWARE_VERSION 3,9,9,FIRMWARE_VERSION_TYPE_OFFICIAL
 
 #define FW_MAJOR 3
 #define FW_MINOR 9
 #define FW_PATCH 9
-#define FW_TYPE FIRMWARE_VERSION_TYPE_BETA+3
-
+#define FW_TYPE FIRMWARE_VERSION_TYPE_OFFICIAL