diff --git a/requirements.txt b/requirements.txt
index 413ec32..aa21094 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ docutils==0.16
 flake8==3.8.2
 idna==2.9
 imagesize==1.2.0
-Jinja2==2.11.3
+Jinja2==3.1.4
 keyring==21.2.1
 MarkupSafe==1.1.1
 mccabe==0.6.1