diff --git a/installer/Dockerfile b/installer/Dockerfile
index f7c506b81..e9f9f0787 100644
--- a/installer/Dockerfile
+++ b/installer/Dockerfile
@@ -21,10 +21,11 @@ COPY --chmod=700 . /opt/maxkb-app
 WORKDIR /opt/maxkb-app
 RUN rm -rf /opt/maxkb-app/ui && \
     python3 -m venv /opt/py3 && \
-    pip install uv --break-system-packages && \
+    pip install poetry==2.0.0 --break-system-packages && \
+    poetry config virtualenvs.create false && \
     . /opt/py3/bin/activate && \
     if [ "$(uname -m)" = "x86_64" ]; then sed -i 's/^torch.*/torch = {version = "2.7.1+cpu", source = "pytorch"}/g' pyproject.toml; fi && \
-    uv sync && \
+    poetry install && \
     find /opt/maxkb-app  -depth \( -name ".git*" -o -name ".docker*" -o -name ".idea*" -o -name ".editorconfig*" -o -name ".prettierrc*" -o -name "README.md" -o -name "poetry.lock" -o -name "pyproject.toml"  \) -exec rm -rf {} + && \
     export MAXKB_CONFIG_TYPE=ENV && python3 /opt/maxkb-app/apps/manage.py compilemessages && \
     export PIP_TARGET=/opt/maxkb-app/sandbox/python-packages && \