diff --git a/_Boards/Atmel/Board_Nano/arduino_nano.board.json b/_Boards/Atmel/Board_Nano/arduino_nano.board.json
index 496df8dd..983d4fb6 100644
--- a/_Boards/Atmel/Board_Nano/arduino_nano.board.json
+++ b/_Boards/Atmel/Board_Nano/arduino_nano.board.json
@@ -14,7 +14,7 @@
     "EEPROMSize": 286,
     "ExtraConnectionRetry": true,
     "ForceResetOnFirmwareUpdate": false,
-    "MessageSize": 64,
+    "MessageSize": 90,
     "TimeoutForFirmwareUpdate": 60000
   },
   "HardwareIds": [
diff --git a/_Boards/Atmel/Board_ProMicro/arduino_micro.board.json b/_Boards/Atmel/Board_ProMicro/arduino_micro.board.json
index 8ee31bc3..464191ba 100644
--- a/_Boards/Atmel/Board_ProMicro/arduino_micro.board.json
+++ b/_Boards/Atmel/Board_ProMicro/arduino_micro.board.json
@@ -14,7 +14,7 @@
     "EEPROMSize": 440,
     "ExtraConnectionRetry": false,
     "ForceResetOnFirmwareUpdate": true,
-    "MessageSize": 64
+    "MessageSize": 90
   },
   "HardwareIds": [
     "^VID_1B4F&PID_9206",
diff --git a/_Boards/Atmel/Board_Uno/arduino_uno.board.json b/_Boards/Atmel/Board_Uno/arduino_uno.board.json
index 26b096db..17fc218d 100644
--- a/_Boards/Atmel/Board_Uno/arduino_uno.board.json
+++ b/_Boards/Atmel/Board_Uno/arduino_uno.board.json
@@ -14,7 +14,7 @@
     "EEPROMSize": 286,
     "ExtraConnectionRetry": true,
     "ForceResetOnFirmwareUpdate": false,
-    "MessageSize": 64
+    "MessageSize": 90
   },
   "HardwareIds": [
     "^VID_10C4&PID_EA60",
diff --git a/_Boards/RaspberryPi/Pico/raspberrypi_pico.board.json b/_Boards/RaspberryPi/Pico/raspberrypi_pico.board.json
index a4c541df..d2553dde 100644
--- a/_Boards/RaspberryPi/Pico/raspberrypi_pico.board.json
+++ b/_Boards/RaspberryPi/Pico/raspberrypi_pico.board.json
@@ -11,7 +11,7 @@
     "EEPROMSize": 1496,
     "ExtraConnectionRetry": false,
     "ForceResetOnFirmwareUpdate": true,
-    "MessageSize": 64
+    "MessageSize": 90
   },
   "HardwareIds": ["^VID_2E8A&PID_000A"],
   "Info": {