diff --git a/requirements.txt b/requirements.txt
index c4fd48f..ab3bea9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ click==6.7
 Flask==1.0.1
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 requests==2.18.4
 urllib3==1.22