diff --git a/requirements.txt b/requirements.txt
index ff29004..086cc26 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -107,3 +107,4 @@ websockets==12.0; python_version >= '3.8'
 whitenoise==6.6.0
 wsproto==1.2.0; python_full_version >= '3.7.0'
 zope-interface==6.3; python_version >= '3.7'
+gunicorn==22.0.0
\ No newline at end of file
diff --git a/start.sh b/start.sh
index d53bf5d..ca30f44 100644
--- a/start.sh
+++ b/start.sh
@@ -13,7 +13,8 @@ if [ "$RUN_TYPE" = "web" ]; then
     if [ "$BACKEND_DEBUG" = 'True' ]; then   
         python manage.py runserver "0.0.0.0:8000"
     else
-        python -m granian --host 0.0.0.0 --port 8000 --workers 8 --interface wsgi config.wsgi:application
+        gunicorn --workers 8 --bind 0.0.0.0:8000 config.wsgi:application
+        # python -m granian --host 0.0.0.0 --port 8000 --workers 8 --interface wsgi config.wsgi:application
     fi
 elif [ "$RUN_TYPE" = "worker" ]; then
     celery -A config worker -l INFO -E --concurrency 1