diff --git a/manifest.yml b/manifest.yml
index 39e842730..0763a1911 100644
--- a/manifest.yml
+++ b/manifest.yml
@@ -26,7 +26,7 @@ applications:
       - type: worker
         instances: ((worker_instances))
         memory: ((worker_memory))
-        command: newrelic-admin run-program celery -A run_celery.notify_celery worker --loglevel=INFO --pool=threads --concurrency=10
+        command: newrelic-admin run-program celery -A run_celery.notify_celery worker --loglevel=INFO --pool=threads --concurrency=10 --prefetch-multiplier=2
       - type: scheduler
         instances: 1
         memory: ((scheduler_memory))