diff --git a/flask/app/Dockerfile b/flask/app/Dockerfile
index 6c294c0..1ba409a 100644
--- a/flask/app/Dockerfile
+++ b/flask/app/Dockerfile
@@ -1,5 +1,6 @@
 FROM python:3.7-alpine 
 WORKDIR /app 
+COPY requirements.txt /app
 RUN pip3 install -r requirements.txt 
 COPY . /app 
 ENTRYPOINT ["python3"]