diff --git a/server/requirements.txt b/server/requirements.txt
index 02dd73af15..38e382133a 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -3,7 +3,7 @@ aniso8601>=9.0.1
 Bcrypt-Flask
 click>=8.0
 elasticsearch>=7.13.1, <7.14
-flask
+flask<2.3.0
 flask_cors
 Flask-HTTPAuth>=4.0.0
 flask-jwt-extended
@@ -20,3 +20,4 @@ requests
 sdnotify
 sqlalchemy>=1.4.23
 sqlalchemy_utils>=0.37.6
+Werkzeug<2.3.0