diff --git a/requirements.txt b/requirements.txt
index 52cf835..f1eee77 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ Flask-WTF==0.14.2
 idna==2.8
 itsdangerous==1.1.0
 jdcal==1.4.1
-Jinja2==2.10.1
+Jinja2==2.11.3
 joblib==0.13.2
 MarkupSafe==1.1.1
 msgpack==0.6.1