diff --git a/requirements.txt b/requirements.txt
index d35b983..799cab6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ greenlet==0.4.12
 idna==2.5
 isodate==0.5.4
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==3.1.1
 MarkupSafe==1.0
 matplotlib==2.0.2
 networkx==1.11