diff --git a/backends/billing/Dockerfile b/backends/billing/Dockerfile
index 2c8c1a8..1fd93f2 100644
--- a/backends/billing/Dockerfile
+++ b/backends/billing/Dockerfile
@@ -12,7 +12,7 @@ RUN apt-get update \
 
 COPY pyproject.toml poetry.lock README.md ./
 RUN pip install --no-cache-dir poetry==2.2.1 \
-    && poetry install --no-interaction --no-ansi
+    && poetry install --no-interaction --no-ansi --no-root
 
 COPY . .