diff --git a/code/platformio.ini b/code/platformio.ini
index 29562679..133c1702 100644
--- a/code/platformio.ini
+++ b/code/platformio.ini
@@ -22,7 +22,7 @@ arduino_core_2_4_2 = espressif8266@1.8.0
 arduino_core_2_5_0 = espressif8266@2.0.4
 
 platform = ${common.arduino_core_2_3_0}
-platform_latest = ${common.arduino_core_2_5_0}
+platform_latest = ${common.arduino_core_2_4_2}
 
 # ------------------------------------------------------------------------------
 # FLAGS: DEBUG