diff --git a/webapp-v3/requirements.txt b/webapp-v3/requirements.txt
index fe41cba..09d0896 100644
--- a/webapp-v3/requirements.txt
+++ b/webapp-v3/requirements.txt
@@ -11,7 +11,7 @@ flask-caching==1.7.2
 flask-login==0.4.1
 flask-paginate==0.5.5
 flask-wtf==0.14.2
-flask==1.1.1
+flask==2.2.5
 idna==2.8
 itsdangerous==1.1.0
 jinja2==2.10.3