diff --git a/platformio.ini b/platformio.ini
index 44aa7fc3..0a1b9984 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -15,18 +15,24 @@
 src_dir = .
 include_dir = .
 
-[env:d1_mini_lite]
-platform = espressif8266
-board = d1_mini_lite
+[env:d1_mini]
+platform = espressif8266@2.6.3 ;this tells platformio to use esp8266 core 2.7.4
+board = d1_mini
 framework = arduino
 lib_ldf_mode = deep
 lib_deps =
-     EthernetENC=https://github.com/jandrassy/EthernetENC/archive/refs/tags/2.0.1.zip
+     https://github.com/UIPEthernet/UIPEthernet/archive/refs/tags/v2.0.12.zip
      sui77/rc-switch @ ^2.6.3
      https://github.com/ThingPulse/esp8266-oled-ssd1306/archive/4.2.0.zip
      knolleary/PubSubClient @ ^2.8
 ; ignore html2raw.cpp source file for firmware compilation (external helper program)
-src_filter = +<*> -<html/*>
+build_src_filter = +<*> -<html/*>
+upload_speed = 460800
+monitor_speed=115200
+board_build.flash_mode = dio
+board_build.ldscript = eagle.flash.4m2m.ld
+board_build.f_cpu = 160000000L
+board_build.f_flash = 80000000L
 
 [env:sanguino_atmega1284p]
 platform = atmelavr
@@ -36,8 +42,8 @@ board_build.variant = sanguino
 framework = arduino
 lib_ldf_mode = deep
 lib_deps =
-     EthernetENC=https://github.com/jandrassy/EthernetENC/archive/refs/tags/2.0.1.zip
+     https://github.com/UIPEthernet/UIPEthernet/archive/refs/tags/v2.0.12.zip
      knolleary/PubSubClient @ ^2.8
      greiman/SdFat @ 1.0.7
      Wire
-src_filter = +<*> -<html/*>
+build_src_filter = +<*> -<html/*>
\ No newline at end of file