diff --git a/requirements.txt b/requirements.txt
index 48de35f..7c3b1fc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Flask==1.0.3
 Flask-APScheduler==1.11.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 O365==1.1.9
 oauthlib==3.0.1