diff --git a/apps/swh-loader-package/Dockerfile b/apps/swh-loader-package/Dockerfile
index e0da23e..0290a25 100644
--- a/apps/swh-loader-package/Dockerfile
+++ b/apps/swh-loader-package/Dockerfile
@@ -1,32 +1,33 @@
 # Deeply inspired from the Dockerfile of the swh-graph project
 FROM python:3.10-bullseye
 
 RUN apt-get -y update && \
     apt-get -y upgrade && \
-    apt-get install -y libcmph-dev librdkafka-dev && \
+    apt-get install -y libcmph-dev librdkafka-dev \
+      opam git && \
     apt clean && \
     addgroup --gid 1000 swh && \
     useradd --gid 1000 --uid 1000 -m -d /opt/swh swh && \
     mkdir /etc/swh
 
 USER swh
 WORKDIR /opt/swh
 
 COPY --chown=swh:swh requirements-frozen.txt /opt/swh
 COPY --chown=swh:swh entrypoint.sh /opt/swh
 
 ENV PYTHONPATH=/opt/swh
 ENV PATH=/opt/swh/.local/bin:$PATH
 
 RUN chmod u+x /opt/swh/entrypoint.sh && \
     /usr/local/bin/python -m pip install --upgrade pip && \
     pip install --no-cache-dir -r requirements-frozen.txt && \
     pip install gunicorn
 
 ENV SWH_CONFIG_FILENAME=/etc/swh/config.yml
 ENV SWH_WORKER_INSTANCE=loader
 ENV CONCURRENCY=1
 ENV MAX_TASKS_PER_CHILD=5
 ENV LOGLEVEL=INFO
 
 ENTRYPOINT "/opt/swh/entrypoint.sh"