diff --git a/requirements.txt b/requirements.txt
index c2886a7fe..2f99e56b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ chardet==3.0.4
 docutils==0.14
 idna==2.7
 imagesize==1.0.0
-Jinja2==2.10
+Jinja2==3.1.5
 MarkupSafe==1.0
 packaging==17.1
 Pygments==2.2.0