diff --git a/Dockerfile b/Dockerfile
index ffe01a4..2058e93 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,17 +2,24 @@ FROM python:3.11.4-slim-buster
 
 LABEL org.opencontainers.image.description "Docker (base) image with Python 3.x with poetry"
 
+ARG POETRY_VERSION=1.2.0
+ARG POETRY_HOME=/opt/poetry
+
 # making this explicit
 USER root
-ENV POETRY_CMD=/root/.local/bin/poetry
 
-RUN apt-get update -y \
+ADD https://install.python-poetry.org /tmp/install-poetry
+
+RUN apt update -y \
     && apt install \
         --no-install-recommends -y \
         build-essential \
         jq \
-    && pip install --user poetry \
-    && rm -rf /root/.cache/pip \
+    && POETRY_VERSION=${POETRY_VERSION} python3 /tmp/install-poetry \
+    && rm /tmp/install-poetry \
+    && ln -s ${POETRY_HOME}/bin/poetry /usr/local/bin/poetry \
     && mkdir -p /workspace
 
 WORKDIR /workspace
+
+ENTRYPOINT ["/usr/local/bin/poetry"]