diff --git a/requirements.txt b/requirements.txt
index 00101f1..90ee9d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.1.1
+Flask==2.3.2
 flask-restful==0.3.6
 python-ecobee-api==0.2.1
 python-dateutil==2.7.2