diff --git a/requirements.txt b/requirements.txt
index 9c36f8fb..20365bdd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ feedgenerator==1.9
 pelican==4.2.0
 python-dateutil==2.7.2
 pytz==2018.4
-Jinja2==2.11.3
+Jinja2==3.1.5
 Markdown==2.6.11
 MarkupSafe==1.1.1
 Pygments==2.7.4