diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index bb1d6aa4d326e..dc81bf168d6f3 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -24,6 +24,7 @@ _(make sure you already have a [vercel](https://vercel.com/) account)_
 
 1. Install [Vercel CLI](https://vercel.com/download)
 1. Fork the repository and clone the code to your local machine
+1. Run `npm install` in the repository root
 1. Run the command "vercel" in the root and follow the steps there
 1. Create a `.env` file in the root of the directory
 1. In the .env file add a new variable named "PAT_1" with your [github Personal access token](https://docs.github.com/en/github/authenticating-to-github/creating-a-personal-access-token)