diff --git a/requirements.txt b/requirements.txt
index 9589168..e3eb488 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ Flask-SQLAlchemy==2.4.4
 Flask-WTF==0.14.3
 gunicorn==20.0.4
 idna==2.10
-itsdangerous==1.1.0
+itsdangerous==2.1.2
 Jinja2==2.11.2
 Mako==1.1.3
 MarkupSafe==1.1.1