diff --git a/requirements.txt b/requirements.txt
index 2c65826..a8f90f0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ elasticsearch==6.1.1
 Flask==0.12.2
 Flask-Elasticsearch==0.2.5
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 urllib3==1.22
 Werkzeug==0.14.1