1 files changed, 1 insertions, 0 deletions
diff --git a/README.md b/README.md
index 5e8c0ebe..ab1fb5ae 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,7 @@ Send Files => [Send](https://github.com/timvisee/send)
 - [Node.js](https://nodejs.org/) latest LTS is recommended
 - `npm update`
 - `npm install`
+- `npm i web-ext`
 
 ### Build
 - `npm run build`