diff --git a/app/celery/tasks.py b/app/celery/tasks.py
index 070989fd0..a0458e38e 100644
--- a/app/celery/tasks.py
+++ b/app/celery/tasks.py
@@ -271,7 +271,7 @@ def persist_letter(
         handle_exception(self, notification, notification_id, e)
 
 
-@notify_celery.task(bind=True, name="build-dvla-file", countdown=30, max_retries=15, default_retry_delay=30)
+@notify_celery.task(bind=True, name="build-dvla-file", countdown=60, max_retries=15, default_retry_delay=300)
 @statsd(namespace="tasks")
 def build_dvla_file(self, job_id):
     try:
diff --git a/requirements.txt b/requirements.txt
index 537e3d182..0557ed9dc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,5 +31,4 @@ awscli-cwlogs>=1.4,<1.5
 
 git+https://github.com/alphagov/notifications-utils.git@15.0.4#egg=notifications-utils==15.0.4
 
-
 git+https://github.com/alphagov/boto.git@2.43.0-patch3#egg=boto==2.43.0-patch3