diff --git a/platformio.ini b/platformio.ini
index bd3878d..1cf698f 100644
--- a/platformio.ini
+++ b/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/espressif/arduino-esp32.git#release/v4.0.x
 
 [env:esp32dev]
 board = esp32dev