diff --git a/Dockerfile b/Dockerfile
index a52d9b96..1f8d52e3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,8 +2,9 @@ FROM ubuntu:12.04
 MAINTAINER Docker Education Team <education@docker.com>
 RUN apt-get update
 RUN DEBIAN_FRONTEND=noninteractive apt-get install -y -q curl python-all python-pip wget
-ADD ./webapp /opt/webapp/
+ADD ./webapp/requirements.txt /opt/webapp/requirements.txt
 WORKDIR /opt/webapp
 RUN pip install -r requirements.txt
+ADD ./webapp /opt/webapp/
 EXPOSE 5000
 CMD ["python", "app.py"]