diff --git a/requirements.txt b/requirements.txt
index aaab75f..b9fbd9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask-HTTPAuth==3.2.4
 Flask-SQLAlchemy==2.3.2
 httplib2==0.12.1
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 oauth2client==4.1.3
 packaging==19.0