diff --git a/requirements.txt b/requirements.txt
index 1161cfe..c54b0aa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ click==6.7
 Flask==0.12.2
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 nltk==3.2.1
 numpy==1.14.0