diff --git a/rest-service/requirements.txt b/rest-service/requirements.txt
index 6b27fdc..9943479 100644
--- a/rest-service/requirements.txt
+++ b/rest-service/requirements.txt
@@ -1,7 +1,7 @@
 aniso8601==8.1.0
 Click==7.1.2
 dicttoxml==1.7.4
-Flask==1.1.2
+Flask==2.2.5
 Flask-RESTful==0.3.8
 gunicorn==20.0.4
 itsdangerous==1.1.0