diff --git a/data/hostname/worker17.softwareheritage.org.yaml b/data/hostname/worker17.softwareheritage.org.yaml
index 0efcb98b..074d028a 100644
--- a/data/hostname/worker17.softwareheritage.org.yaml
+++ b/data/hostname/worker17.softwareheritage.org.yaml
@@ -1,15 +1,15 @@
 swh::deploy::worker::instances:
   - loader_oneshot
   - loader_git
 
 # T4400: loader-git for large repositories
 swh::deploy::worker::loader_oneshot::concurrency: 1
 swh::deploy::worker::loader_oneshot::max_tasks_per_child: 1
 swh::deploy::worker::loader_oneshot::task_queues:
-  - oneshot:swh.loader.git.tasks.UpdateGitRepository
+  - oneshot2:swh.loader.git.tasks.UpdateGitRepository
 
 # T4400: loader-git for large repositories (normal is done)
-swh::deploy::worker::loader_git::concurrency: 1
+swh::deploy::worker::loader_git::concurrency: 5
 swh::deploy::worker::loader_git::max_tasks_per_child: 1
 swh::deploy::loader_git::queues:
   - oneshot:swh.loader.git.tasks.UpdateGitRepository
diff --git a/data/hostname/worker18.softwareheritage.org.yaml b/data/hostname/worker18.softwareheritage.org.yaml
index 0efcb98b..074d028a 100644
--- a/data/hostname/worker18.softwareheritage.org.yaml
+++ b/data/hostname/worker18.softwareheritage.org.yaml
@@ -1,15 +1,15 @@
 swh::deploy::worker::instances:
   - loader_oneshot
   - loader_git
 
 # T4400: loader-git for large repositories
 swh::deploy::worker::loader_oneshot::concurrency: 1
 swh::deploy::worker::loader_oneshot::max_tasks_per_child: 1
 swh::deploy::worker::loader_oneshot::task_queues:
-  - oneshot:swh.loader.git.tasks.UpdateGitRepository
+  - oneshot2:swh.loader.git.tasks.UpdateGitRepository
 
 # T4400: loader-git for large repositories (normal is done)
-swh::deploy::worker::loader_git::concurrency: 1
+swh::deploy::worker::loader_git::concurrency: 5
 swh::deploy::worker::loader_git::max_tasks_per_child: 1
 swh::deploy::loader_git::queues:
   - oneshot:swh.loader.git.tasks.UpdateGitRepository