diff --git a/Arduino/CanGrow/arduino-cli.yml b/Arduino/CanGrow/arduino-cli.yml
index 0cdb190..29db8f5 100644
--- a/Arduino/CanGrow/arduino-cli.yml
+++ b/Arduino/CanGrow/arduino-cli.yml
@@ -1,3 +1,4 @@
 board_manager:
   additional_urls:
     - http://arduino.esp8266.com/stable/package_esp8266com_index.json
+    - https://espressif.github.io/arduino-esp32/package_esp32_index.json