diff --git a/ArduPlane/ReleaseNotes.txt b/ArduPlane/ReleaseNotes.txt
index b211920b3c..16f5e1f7fd 100644
--- a/ArduPlane/ReleaseNotes.txt
+++ b/ArduPlane/ReleaseNotes.txt
@@ -1,3 +1,13 @@
+Release Volanti Carbopilot V4.6.0 16th May 2024
+----------------------------------
+
+This Production Release includes
+- Fixed a Bug where lua could cause a hardfault in Flight controller.
+- AP_Scripting: stash and restore FPU register context in LUAI_TRY
+- AP_Scripting: fixed float register save/restore in setjmp/longjmp
+
+Happy Flying!
+
 Release Volanti Carbopilot V4.5.0 19th April 2024
 ----------------------------------
 
diff --git a/ArduPlane/version.h b/ArduPlane/version.h
index e6c81eccc3..155a981106 100644
--- a/ArduPlane/version.h
+++ b/ArduPlane/version.h
@@ -6,7 +6,7 @@
 
 #include "ap_version.h"
 
-#define THISFIRMWARE "Volanti Carbopilot V4.5.0"
+#define THISFIRMWARE "Volanti Carbopilot V4.6.0"
 
 // the following line is parsed by the autotest scripts
 #define FIRMWARE_VERSION 4,2,1,FIRMWARE_VERSION_TYPE_OFFICIAL
diff --git a/Tools/AP_Periph/version.h b/Tools/AP_Periph/version.h
index 884d5087c0..7df5c02736 100644
--- a/Tools/AP_Periph/version.h
+++ b/Tools/AP_Periph/version.h
@@ -3,7 +3,7 @@
 #ifndef __AP_PERIPH_FW_VERSION__
 #define __AP_PERIPH_FW_VERSION__
 
-#define THISFIRMWARE "Volanti Carbopilot V4.5.0"
+#define THISFIRMWARE "Volanti Carbopilot V4.6.0"
 
 // the following line is parsed by the autotest scripts
 #define FIRMWARE_VERSION 1,3,0,FIRMWARE_VERSION_TYPE_DEV