diff --git a/requirements.txt b/requirements.txt
index 6959508..60ab30a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ elasticsearch-dsl==5.2.0
 Flask==0.12.1
 hunspell==0.4.1
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 nltk==3.2.2
 packaging==16.8