diff --git a/README.md b/README.md
index e954393a..5067555d 100644
--- a/README.md
+++ b/README.md
@@ -53,6 +53,7 @@ Our mission is to create a user-friendly platform for anyone interested in explo
 - Run `cd 311-data/`
 - Run `cp .example.env .env`
 - Edit your new `.env` and supply a valid `MAPBOX_TOKEN`. If you are a member of hack4la, please contact someone in 311-engineering for one.
+- Run `npm install`
 - From the 311-data parent directory run: `npm run setup && npm start`
 - Visit http://localhost:3000