diff --git a/apps/swh-indexer/Dockerfile b/apps/swh-indexer/Dockerfile
index 1c828d1..663c6b5 100644
--- a/apps/swh-indexer/Dockerfile
+++ b/apps/swh-indexer/Dockerfile
@@ -1,33 +1,38 @@
 # Deeply inspired from the Dockerfile of the swh-graph project
 FROM python:3.10-bullseye
 
+RUN echo deb http://deb.debian.org/debian/ bullseye-backports main \
+      > /etc/apt/sources.list.d/backports.list
+RUN echo deb [trusted=yes] https://debian.softwareheritage.org/ bullseye-swh main  \
+      > /etc/apt/sources.list.d/softwareheritage.list
+
 RUN apt-get -y update && \
     apt-get -y upgrade && \
     apt-get install -y libcmph-dev librdkafka-dev \
-      libsvn-dev libapr1-dev libaprutil1-dev subversion && \
+      fossology-nomossa && \
     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=1
 ENV LOGLEVEL=INFO
 
 ENTRYPOINT "/opt/swh/entrypoint.sh"