diff --git a/requirements.txt b/requirements.txt
index 27032c3..8e213de 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,8 @@
-Flask==1.1.1
+Flask==2.1.0
 uWSGI==2.0.17.1
 Flask-SQLAlchemy==2.5
 flask_wtf==0.14.3
 WTForms==2.2.1
 flask_login==0.4.1
+jinja2<3.1.0
+werkzeug==2.0.3