diff --git a/src/requirements.txt b/src/requirements.txt
index a177f5a..c673cff 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -18,7 +18,7 @@ flipflop==1.0
 guess-language==0.2
 gunicorn==19.5.0
 itsdangerous==0.24
-Jinja2==2.7.3
+Jinja2==2.11.3
 MarkupSafe==0.23
 packaging==16.8
 pbr==0.10.0