diff --git a/requirements.txt b/requirements.txt
index 50fbb9e..47a8b76 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ click==6.7
 Flask==1.0.2
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 requests==2.19.1
 urllib3==1.23