diff --git a/requirements.txt b/requirements.txt
index fb853f7..9226127 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Flask-SQLAlchemy==2.1
 Flask-WTF==0.12
 idna==2.10
 itsdangerous==1.1.0
-Jinja2==2.11.2
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 nose==1.3.7
 pkg-resources==0.0.0