diff --git a/README.md b/README.md
index 5152a80b..cd9582a8 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@ sudo docker run -p 8050:8050 -p 5023:5023 scrapinghub/splash --disable-ui --disa
 ```bash
 pip install -r requirements.txt
 pip install -e .
+wget https://d3js.org/d3.v4.min.js -O lookyloo/static/d3.v4.min.js
 ```
 # Run the app locally