diff --git a/requirements.txt b/requirements.txt
index 5f340f5..659e96b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ APScheduler==3.3.1
 codecov==2.0.11
 Flask==0.12.2
 Flask-Assets==0.12
-Jinja2==2.9.6
+Jinja2==3.1.5
 Werkzeug==0.12.2
 certifi==2017.4.17
 chardet==3.0.3