diff --git a/Dockerfile b/Dockerfile
index 0b687be..f93759c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,6 @@ ADD loc.py /loc.py
 ADD make_bar_graph.py /make_bar_graph.py
 ADD colors.json /colors.json
 RUN pip install -r requirements.txt
-RUN npm install -g vega-lite vega-cli canvas
+RUN npm install vega-lite vega-cli canvas
 
 ENTRYPOINT ["python", "/main.py"]