diff --git a/scouter/worker/prepare_worker.py b/scouter/worker/prepare_worker.py
index 6f1391f..b261f68 100644
--- a/scouter/worker/prepare_worker.py
+++ b/scouter/worker/prepare_worker.py
@@ -25,7 +25,7 @@ def prepare_worker(
     other_workflows: Sequence[Type],
     activities: Sequence[Any],
     temporal_client: Client,
-):
+) -> Worker:
 
     main_workflow_name = main_workflow.__name__.upper()
 
@@ -36,25 +36,23 @@ def prepare_worker(
             os.getenv(main_workflow_name + '_' + parameter[0], parameter[1]))
 
 
-    return [
-        Worker(
-            temporal_client,
-            task_queue='scouter-queue',
-            workflows=[main_workflow, *other_workflows],
-            activities=[*activities],
-            max_concurrent_workflow_tasks=local_workflow_parameters['MAX_CONCURRENT_WORKFLOW_TASKS'],
-            max_concurrent_activities=local_workflow_parameters['MAX_CONCURRENT_ACTIVITIES'],
-            max_concurrent_local_activities=local_workflow_parameters['MAX_CONCURRENT_LOCAL_ACTIVITIES'],
-            max_cached_workflows=local_workflow_parameters['MAX_CACHED_WORKFLOWS'],
-            workflow_task_poller_behavior=PollerBehaviorAutoscaling(
-                minimum=local_workflow_parameters['WORKFLOW_POLLER_BEHAVIUR_MINIMUM'],
-                initial=local_workflow_parameters['WORKFLOW_POLLER_BEHAVIUR_INITIAL'],
-                maximum=local_workflow_parameters['WORKFLOW_POLLER_BEHAVIUR_MAXIMUM'],
-            ),
-            activity_task_poller_behavior=PollerBehaviorAutoscaling(
-                minimum=local_workflow_parameters['ACTIVITY_POLLER_BEHAVIUR_MINIMUM'],
-                initial=local_workflow_parameters['ACTIVITY_POLLER_BEHAVIUR_INITIAL'],
-                maximum=local_workflow_parameters['ACTIVITY_POLLER_BEHAVIUR_MAXIMUM'],
-            ),
-        )
-    ]
\ No newline at end of file
+    return Worker(
+        temporal_client,
+        task_queue='scouter-queue',
+        workflows=[main_workflow, *other_workflows],
+        activities=[*activities],
+        max_concurrent_workflow_tasks=local_workflow_parameters['MAX_CONCURRENT_WORKFLOW_TASKS'],
+        max_concurrent_activities=local_workflow_parameters['MAX_CONCURRENT_ACTIVITIES'],
+        max_concurrent_local_activities=local_workflow_parameters['MAX_CONCURRENT_LOCAL_ACTIVITIES'],
+        max_cached_workflows=local_workflow_parameters['MAX_CACHED_WORKFLOWS'],
+        workflow_task_poller_behavior=PollerBehaviorAutoscaling(
+            minimum=local_workflow_parameters['WORKFLOW_POLLER_BEHAVIUR_MINIMUM'],
+            initial=local_workflow_parameters['WORKFLOW_POLLER_BEHAVIUR_INITIAL'],
+            maximum=local_workflow_parameters['WORKFLOW_POLLER_BEHAVIUR_MAXIMUM'],
+        ),
+        activity_task_poller_behavior=PollerBehaviorAutoscaling(
+            minimum=local_workflow_parameters['ACTIVITY_POLLER_BEHAVIUR_MINIMUM'],
+            initial=local_workflow_parameters['ACTIVITY_POLLER_BEHAVIUR_INITIAL'],
+            maximum=local_workflow_parameters['ACTIVITY_POLLER_BEHAVIUR_MAXIMUM'],
+        ),
+    )
\ No newline at end of file