diff --git a/requirements.txt b/requirements.txt
index 37038aa..de368ff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 gunicorn==19.9.0
-Flask==1.1.1
+Flask==2.2.1
 Flask-MQTT==1.1.1
 Flask-OAuthlib==0.9.5
 Flask-SQLAlchemy==2.5.1