diff --git a/requirements.txt b/requirements.txt
index 3204821..0e83edd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ gunicorn==19.7.1
 idna==2.6
 imgurpython==1.1.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 matplotlib==2.1.2
 numpy==1.14.0