diff --git a/debian/control b/debian/control
--- a/debian/control
+++ b/debian/control
@@ -40,6 +40,7 @@
 Package: python3-swh.storage.archiver
 Architecture: all
 Depends: python3-swh.scheduler (>= 0.0.11~),
+         python3-swh.journal,
          python3-swh.storage (= ${binary:Version}),
          ${misc:Depends},
          ${python3:Depends}
diff --git a/swh/storage/archiver/updater.py b/swh/storage/archiver/updater.py
new file mode 100644
--- /dev/null
+++ b/swh/storage/archiver/updater.py
@@ -0,0 +1,50 @@
+# Copyright (C) 2017  The Software Heritage developers
+# See the AUTHORS file at the top-level directory of this distribution
+# License: GNU General Public License version 3, or any later version
+# See top-level LICENSE file for more information
+
+import logging
+
+from swh.journal.client import SWHJournalClient
+
+from .storage import ArchiverStorage
+
+
+class SWHArchiverContentUpdater(SWHJournalClient):
+    """Client in charge of updating new contents in the content_archiver
+       db.
+
+       This is a swh.journal client only dealing with contents.
+
+    """
+    CONFIG_BASE_FILENAME = 'archiver/content_updater'
+
+    ADDITIONAL_CONFIG = {
+        'archiver_storage_conn': (
+            'str', 'dbname=softwareheritage-archiver-dev user=guest'),
+        'sources_present': ('list[str]', ['uffizi'])
+    }
+
+    def __init__(self):
+        # Only interested in content here so override the configuration
+        super().__init__(extra_configuration={'object_types': ['content']})
+
+        self.sources_present = self.config['sources_present']
+
+        self.archiver_storage = ArchiverStorage(
+            self.config['archiver_storage_conn'])
+
+    def process_objects(self, messages):
+        self.archiver_storage.content_archive_add(
+            (c[b'sha1'] for c in messages['content']),
+            self.sources_present)
+
+
+if __name__ == '__main__':
+    logging.basicConfig(
+        level=logging.INFO,
+        format='%(asctime)s %(process)d %(levelname)s %(message)s'
+    )
+
+    content_updater = SWHArchiverContentUpdater()
+    content_updater.process()