diff --git a/Dockerfile b/Dockerfile
index 17c1d23..33fb385 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,12 +3,12 @@ FROM us-docker.pkg.dev/sentryio/dhi-mirror/python:3.13-debian13-dev AS build
 COPY py/ /app/py/
 
 # Install `bigquery` extra to enable the `bigquery_fetcher` entrypoint
-RUN pip install --no-cache-dir "/app/py[bigquery]"
+RUN python3 -m venv /opt/venv && /opt/venv/bin/pip install --no-cache-dir "/app/py[bigquery]"
 
 FROM us-docker.pkg.dev/sentryio/dhi-mirror/python:3.13-debian13
 
-COPY --from=build /opt/python/lib/python3.13/site-packages /opt/python/lib/python3.13/site-packages
+COPY --from=build /opt/venv /opt/venv
 
 USER nonroot
 
-ENTRYPOINT ["/opt/python/bin/python3", "-m", "usageaccountant.datadog_fetcher"]
+ENTRYPOINT ["/opt/venv/bin/python3", "-m", "usageaccountant.datadog_fetcher"]