diff --git a/Dockerfile b/Dockerfile
index 6c533206f..e2d89bebd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ RUN apt-get update && \
 
 WORKDIR /app
 COPY pyproject.toml poetry.lock /app/
-RUN poetry install
+RUN poetry install --without dev
 
 RUN set -xe \
   && apt-get remove -y gcc python3-dev libssl-dev \
@@ -23,6 +23,6 @@ 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
+RUN poetry install --without dev
 
 CMD ./bin/boot_server_in_docker