diff --git a/platformio.ini b/platformio.ini
index e005ac3..034a1d7 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -9,14 +9,15 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [env:m5stack-fire]
-platform = espressif32
+platform = espressif32@^4.1.0
 board = m5stack-fire
 framework = arduino
-upload_speed = 115200
+platform_packages = platformio/framework-arduinoespressif32@3.20004.220825
+upload_speed = 1500000
 monitor_speed = 115200
 board_build.partitions = default_16MB.csv
 build_flags =
-	-DCORE_DEBUG_LEVEL=4
+	-DCORE_DEBUG_LEVEL=5
 	-DBOARD_HAS_PSRAM
 	-mfix-esp32-psram-cache-issue
 lib_deps =