diff --git a/Makefile b/Makefile
index ab52f38db..cc695282a 100644
--- a/Makefile
+++ b/Makefile
@@ -70,8 +70,8 @@ run-celery: ## Run celery, TODO remove purge for staging/prod
 		-A run_celery.notify_celery worker \
 		--pidfile="/tmp/celery.pid" \
 		--loglevel=INFO \
-		--pool=threads
-		--concurrency=10
+		--pool=eventlet
+		--concurrency=100
 
 
 .PHONY: dead-code
diff --git a/app/aws/s3.py b/app/aws/s3.py
index 54c9c85a3..7f96f0c73 100644
--- a/app/aws/s3.py
+++ b/app/aws/s3.py
@@ -5,6 +5,7 @@ import time
 from io import StringIO
 
 import botocore
+import eventlet
 from boto3 import Session
 from flask import current_app
 
@@ -249,7 +250,7 @@ def get_s3_files():
         for object_key in object_keys:
             read_s3_file(bucket_name, object_key, s3res)
             count = count + 1
-            time.sleep(0.2)
+            eventlet.sleep(0.2)
     except Exception:
         current_app.logger.exception(
             f"Trouble reading {object_key} which is # {count} during cache regeneration"
@@ -410,7 +411,7 @@ def get_job_from_s3(service_id, job_id):
                 )
                 retries += 1
                 sleep_time = backoff_factor * (2**retries)  # Exponential backoff
-                time.sleep(sleep_time)
+                eventlet.sleep(sleep_time)
                 continue
             else:
                 # Typically this is "NoSuchKey"
diff --git a/app/celery/tasks.py b/app/celery/tasks.py
index 3a6a997b0..0108981df 100644
--- a/app/celery/tasks.py
+++ b/app/celery/tasks.py
@@ -1,6 +1,6 @@
 import json
-import time
 
+import eventlet
 from celery.signals import task_postrun
 from flask import current_app
 from requests import HTTPError, RequestException, request
@@ -84,7 +84,7 @@ def process_job(job_id, sender_id=None):
         process_row(row, template, job, service, sender_id=sender_id)
         count = count + 1
         if count % 3 == 0:
-            time.sleep(1)
+            eventlet.sleep(1)
 
     # End point/Exit point for message send flow.
     job_complete(job, start=start)
diff --git a/app/clients/cloudwatch/aws_cloudwatch.py b/app/clients/cloudwatch/aws_cloudwatch.py
index 0a6d3d7be..9eaf2ebec 100644
--- a/app/clients/cloudwatch/aws_cloudwatch.py
+++ b/app/clients/cloudwatch/aws_cloudwatch.py
@@ -151,7 +151,7 @@ class AwsCloudwatchClient(Client):
     #         result = temp_client.get_query_results(queryId=query_id)
     #         if result['status'] == 'Complete':
     #             break
-    #         time.sleep(1)
+    #         eventlet.sleep(1)
 
     #     delivery_receipts = []
     #     for log in result['results']:
diff --git a/manifest.yml b/manifest.yml
index 29fc23b42..59e50949c 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 --prefetch-multiplier=2
+        command: newrelic-admin run-program celery -A run_celery.notify_celery worker --loglevel=INFO --pool=eventlet --concurrency=100 --prefetch-multiplier=2
       - type: scheduler
         instances: 1
         memory: ((scheduler_memory))