diff --git a/examples/espidf-arduino-blink/platformio.ini b/examples/espidf-arduino-blink/platformio.ini
index 71239a8..8ee11c9 100644
--- a/examples/espidf-arduino-blink/platformio.ini
+++ b/examples/espidf-arduino-blink/platformio.ini
@@ -10,12 +10,12 @@
 [env]
 platform = espressif32
 framework = arduino, espidf
-build_flags = 
+build_flags =
     -D CONFIG_BLINK_GPIO=2
 monitor_speed = 115200
 platform_packages =
   ; use a special branch
-  framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git#idf-release/v4.0 
+  framework-arduinoespressif32 @ https://github.com/marcovannoord/arduino-esp32.git#idf-release/v4.0
 
 [env:esp32dev]
 board = esp32dev
diff --git a/examples/espidf-arduino-wifiscan/platformio.ini b/examples/espidf-arduino-wifiscan/platformio.ini
index 6fdbb68..32d44b6 100644
--- a/examples/espidf-arduino-wifiscan/platformio.ini
+++ b/examples/espidf-arduino-wifiscan/platformio.ini
@@ -13,7 +13,7 @@ framework = arduino, espidf
 monitor_speed = 115200
 platform_packages =
   ; use a special branch
-  framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git#idf-release/v4.0
+  framework-arduinoespressif32 @ https://github.com/marcovannoord/arduino-esp32.git#idf-release/v4.0
 
 [env:esp32dev]
 board = esp32dev