diff --git a/Tools/AP_Bootloader/board_types.txt b/Tools/AP_Bootloader/board_types.txt
index 20b7d9b579..569f34c684 100644
--- a/Tools/AP_Bootloader/board_types.txt
+++ b/Tools/AP_Bootloader/board_types.txt
@@ -251,6 +251,7 @@ AP_HW_SPEEDYBEEF4MINI                1135
 AP_HW_SPEEDYBEEF4V4                  1136
 AP_HW_FlywooF405Pro                  1137
 AP_HW_TMOTORH7                       1138
+AP_HW_MICOAIR405                     1139
 
 AP_HW_ESP32_PERIPH                   1205
 AP_HW_ESP32S3_PERIPH                 1206