diff --git a/platformio.ini b/platformio.ini
index 0d9b8d4..af4976b 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -14,3 +14,4 @@ platform = MIK32
 board = mik32v2
 framework = framework-mik32v2-sdk
 board_debug.ldscript = eeprom
+board_upload.maximum_size=5000