diff --git a/ArduSub/version.h b/ArduSub/version.h
index 110016eab364a2..96474cbe4b6723 100644
--- a/ArduSub/version.h
+++ b/ArduSub/version.h
@@ -6,14 +6,14 @@
 
 #include "ap_version.h"
 
-#define THISFIRMWARE "ArduSub V4.1.1"
+#define THISFIRMWARE "ArduSub V4.1.2 BETA"
 
 // the following line is parsed by the autotest scripts
-#define FIRMWARE_VERSION 4,1,1,FIRMWARE_VERSION_TYPE_OFFICIAL
+#define FIRMWARE_VERSION 4,1,2,FIRMWARE_VERSION_TYPE_BETA
 
 #define FW_MAJOR 4
 #define FW_MINOR 1
-#define FW_PATCH 1
-#define FW_TYPE FIRMWARE_VERSION_TYPE_OFFICIAL
+#define FW_PATCH 2
+#define FW_TYPE FIRMWARE_VERSION_TYPE_BETA
 
 #include <AP_Common/AP_FWVersionDefine.h>
\ No newline at end of file