diff --git a/Dockerfile b/Dockerfile
index f93759c..0b687be 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 vega-lite vega-cli canvas
+RUN npm install -g vega-lite vega-cli canvas
 
 ENTRYPOINT ["python", "/main.py"]
diff --git a/requirements.txt b/requirements.txt
index 9559adc..4c68612 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-altair @ git+git://github.com/altair-viz/altair.git@2ef75f731ab9e805670db973b9f1c93347c20cc0
+altair==4.1.0
 altair-data-server==0.4.1
 altair-saver==0.5.0
 altair-viewer==0.3.0