diff --git a/requirements.txt b/requirements.txt
index 37a9cc2..8a88406 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ click==6.7
 elasticsearch==5.2.0
 Flask==0.12
 itsdangerous==0.24
-Jinja2==2.9.5
+Jinja2==2.11.3
 MarkupSafe==0.23
 packaging==16.8
 pyparsing==2.1.10