diff --git a/requirements.txt b/requirements.txt
index a02147e..75e7bc8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 click==6.7
 Flask==1.0.2
 itsdangerous==0.24
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.0
 python-dateutil==2.7.3
 pytz==2018.5