diff --git a/ArduCopter/version.h b/ArduCopter/version.h
index 31806ccdb2..8f96e4d733 100644
--- a/ArduCopter/version.h
+++ b/ArduCopter/version.h
@@ -6,7 +6,7 @@
 
 #include "ap_version.h"
 
-#define THISFIRMWARE "ArduCopter V3.6.0-rc8"
+#define THISFIRMWARE "ArduCopter V3.6.0-rc9"
 
 // the following line is parsed by the autotest scripts
 #define FIRMWARE_VERSION 3,6,0,FIRMWARE_VERSION_TYPE_RC