diff --git a/arduino-cli.yml b/arduino-cli.yml
new file mode 100644
index 0000000..0cdb190
--- /dev/null
+++ b/arduino-cli.yml
@@ -0,0 +1,3 @@
+board_manager:
+  additional_urls:
+    - http://arduino.esp8266.com/stable/package_esp8266com_index.json