diff --git a/requirements.txt b/requirements.txt
index 8a553c0..5f22700 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ cycler==0.10.0
 Flask==0.12.2
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 kiwisolver==1.0.1
 MarkupSafe==1.0
 matplotlib==2.2.2