diff --git a/connector-proxy-demo/Dockerfile b/connector-proxy-demo/Dockerfile
index 2e1a76b7..6161dc8c 100644
--- a/connector-proxy-demo/Dockerfile
+++ b/connector-proxy-demo/Dockerfile
@@ -1,6 +1,5 @@
 FROM ghcr.io/sartography/python:3.11
 
-RUN pip install poetry
 RUN useradd _gunicorn --no-create-home --user-group
 
 RUN apt-get update && \
@@ -10,7 +9,7 @@ RUN apt-get update && \
 
 WORKDIR /app
 COPY pyproject.toml poetry.lock /app/
-RUN poetry install --without dev
+RUN poetry install
 
 RUN set -xe \
   && apt-get remove -y gcc python3-dev libssl-dev \
@@ -22,6 +21,6 @@ COPY . /app/
 
 # run poetry install again AFTER copying the app into the image
 # otherwise it does not know what the main app module is
-RUN poetry install --without dev
+RUN poetry install
 
 CMD ./bin/boot_server_in_docker