diff --git a/repo-template-files/quickstarts/flask-quickstart/src/Dockerfile b/repo-template-files/quickstarts/flask-quickstart/src/Dockerfile
index 23268bc..396c883 100644
--- a/repo-template-files/quickstarts/flask-quickstart/src/Dockerfile
+++ b/repo-template-files/quickstarts/flask-quickstart/src/Dockerfile
@@ -3,6 +3,7 @@ FROM python:3-alpine
 ENV PYTHONUNBUFFERED=1
 WORKDIR /usr/src/app
 COPY requirements.txt /usr/src/app/
+RUN apk add g++
 RUN pip install -U -r requirements.txt
 COPY ./web /usr/src/app/
 COPY ./entrypoint.sh /