diff --git a/.gitignore b/.gitignore
index c9d1ef22..875f3c01 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@ inav-configurator.iml
 *.swp
 *.bak
 eeprom.bin
+yarn.lock
\ No newline at end of file
diff --git a/README.md b/README.md
index dc378b66..b6844294 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@ sudo mv inav-configurator.desktop /usr/share/applications/
 For local development, the **node.js** build system is used.
 
 1. Install node.js
-1. From the project folder run `npm install`
+1. From the project folder run `yarn install` and then `npm install`
 1. To build the  and start the configurator:
     - Run `npm start`.