diff --git a/src/app/requirements.txt b/src/app/requirements.txt
index 1f757ac..8e8c4eb 100644
--- a/src/app/requirements.txt
+++ b/src/app/requirements.txt
@@ -1,6 +1,6 @@
 # Requirements for Flask-App
 
-flask==1.1.2
+flask==2.3.2
 flask-behind-proxy==0.1.1
 flask-login==0.5.0
 flask-wtf==0.14.3