diff --git a/requirements.txt b/requirements.txt
index 684bd7570..ab0db447f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ certifi==2020.12.05
 babel==2.9.1
 flask-babel==2.0.0
 flask==1.1.2
-jinja2==3.0.0
+jinja2==2.11.3
 lxml==4.6.3
 pygments==2.8.1
 python-dateutil==2.8.1