diff --git a/spug_api/apps/monitor/scheduler.py b/spug_api/apps/monitor/scheduler.py
index 188ff4b..89c8787 100644
--- a/spug_api/apps/monitor/scheduler.py
+++ b/spug_api/apps/monitor/scheduler.py
@@ -2,6 +2,7 @@
 # Copyright: (c) <spug.dev@gmail.com>
 # Released under the MIT License.
 from apscheduler.schedulers.background import BackgroundScheduler
+from apscheduler.executors.pool import ThreadPoolExecutor
 from apscheduler.triggers.interval import IntervalTrigger
 from apscheduler.events import EVENT_SCHEDULER_SHUTDOWN, EVENT_JOB_MAX_INSTANCES, EVENT_JOB_ERROR, EVENT_JOB_EXECUTED
 from django_redis import get_redis_connection
@@ -26,7 +27,7 @@ class Scheduler:
     timezone = settings.TIME_ZONE
 
     def __init__(self):
-        self.scheduler = BackgroundScheduler(timezone=self.timezone)
+        self.scheduler = BackgroundScheduler(timezone=self.timezone, executors={'default': ThreadPoolExecutor(20)})
         self.scheduler.add_listener(
             self._handle_event,
             EVENT_SCHEDULER_SHUTDOWN | EVENT_JOB_ERROR | EVENT_JOB_MAX_INSTANCES | EVENT_JOB_EXECUTED)
diff --git a/spug_api/apps/schedule/scheduler.py b/spug_api/apps/schedule/scheduler.py
index 19fd552..a2f7fa6 100644
--- a/spug_api/apps/schedule/scheduler.py
+++ b/spug_api/apps/schedule/scheduler.py
@@ -2,6 +2,7 @@
 # Copyright: (c) <spug.dev@gmail.com>
 # Released under the MIT License.
 from apscheduler.schedulers.background import BackgroundScheduler
+from apscheduler.executors.pool import ThreadPoolExecutor
 from apscheduler.triggers.interval import IntervalTrigger
 from apscheduler.triggers.date import DateTrigger
 from apscheduler.triggers.cron import CronTrigger
@@ -39,7 +40,7 @@ class Scheduler:
     }
 
     def __init__(self):
-        self.scheduler = BackgroundScheduler(timezone=self.timezone)
+        self.scheduler = BackgroundScheduler(timezone=self.timezone, executors={'default': ThreadPoolExecutor(20)})
         self.scheduler.add_listener(
             self._handle_event,
             EVENT_SCHEDULER_SHUTDOWN | EVENT_JOB_ERROR | EVENT_JOB_MAX_INSTANCES | EVENT_JOB_EXECUTED)