diff --git a/platformio.ini b/platformio.ini
index 9d89103..18b2842 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -9,7 +9,7 @@ check_flags =
     cppcheck: --suppress=*:*.pio\* --suppress=unusedFunction
 
 [env:ttgo-ESP8266]
-platform = espressif8266 @ 4.0.0
+platform = espressif8266 @ 4.1.0
 board = esp_wroom_02
 framework = arduino
 test_build_project_src = yes