diff --git a/requirements.txt b/requirements.txt
index bda85a0..36233cc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ Flask-WTF==0.14.3
 idna==2.9
 inflection==0.4.0
 itsdangerous==1.1.0
-Jinja2==2.11.2
+Jinja2==2.11.3
 jsonschema==3.2.0
 MarkupSafe==1.1.1
 marshmallow==3.6.0