diff --git a/data/defaults.yaml b/data/defaults.yaml
--- a/data/defaults.yaml
+++ b/data/defaults.yaml
@@ -2001,7 +2001,7 @@
   storage: "%{alias('swh::remote_service::storage::config::azure')}"
 
 swh::deploy::worker::swh_indexer::origin_intrinsic_metadata::config_file: "origin_intrinsic_metadata.yml"
-swh::deploy::worker::swh_indexer::origin_intrinsic_metadata::concurrency: 1
+swh::deploy::worker::swh_indexer::origin_intrinsic_metadata::concurrency: 4
 swh::deploy::worker::swh_indexer::origin_intrinsic_metadata::loglevel: info
 # Contains a password: in private data
 swh::deploy::worker::swh_indexer::origin_intrinsic_metadata::task_broker: "%{hiera('swh::deploy::worker::task_broker')}"