diff --git a/platformio.ini b/platformio.ini
index bef22f1f52..430c4ad0ba 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -138,7 +138,7 @@ build_flags =
 monitor_speed = 115200
 
 [com]
-esp8266_platform = espressif8266@3.1.0
+esp8266_platform = espressif8266@2.6.3
 esp32_platform = espressif32@3.3.1
 atmelavr_platform = atmelavr@3.3.0