diff --git a/api_flask_redis/api_core/requirements.txt b/api_flask_redis/api_core/requirements.txt
index c74f7cb55..6909bf566 100644
--- a/api_flask_redis/api_core/requirements.txt
+++ b/api_flask_redis/api_core/requirements.txt
@@ -1,3 +1,3 @@
 Flask==1.1.2
 Flask-RESTful==0.3.8
-gunicorn==20.0.4
\ No newline at end of file
+gunicorn==22.0.0
\ No newline at end of file