diff --git a/Dockerfile b/Dockerfile
index 1fa6cb6..caa601d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,14 +4,14 @@ FROM alpine:latest
 # https://pillow.readthedocs.io/en/stable/installation.html#building-on-linux
 RUN apk add tiff-dev jpeg-dev openjpeg-dev zlib-dev freetype-dev lcms2-dev \
     libwebp-dev tcl-dev tk-dev harfbuzz-dev fribidi-dev libimagequant-dev \
-    libxcb-dev libpng-dev gcc musl-dev python3 python3-dev py3-pip py3-cryptography \
-    && pip install poetry
+    libxcb-dev libpng-dev gcc musl-dev python3 python3-dev py3-pip py3-cryptography
+RUN pip3 config set global.break-system-packages true && pip3 install poetry
 
 COPY . /leech
 
 RUN cd /leech \
     && poetry config virtualenvs.create false \
-    && poetry install --no-dev
+    && poetry install --without dev
 
 WORKDIR /work