diff --git a/platformio.ini b/platformio.ini
index 0f2ce41cb..a6f4c8863 100755
--- a/platformio.ini
+++ b/platformio.ini
@@ -113,9 +113,9 @@ platform_packages         = ${tasmota_core.platform_packages}
 build_flags               = ${tasmota_core.build_flags}
 
 [tasmota_core]
-; *** Esp8266 Arduino core 2.7.0
-platform                  = espressif8266@2.5.0
-platform_packages         = framework-arduinoespressif8266 @ https://github.com/esp8266/Arduino/releases/download/2.7.1/esp8266-2.7.1.zip
+; *** Esp8266 Arduino core 2.7.1
+platform                  = espressif8266@2.5.1
+platform_packages         = 
 build_flags               = ${esp82xx_defaults.build_flags}
                             -DBEARSSL_SSL_BASIC
 ; NONOSDK22x_190703 = 2.2.2-dev(38a443e)