diff --git a/docs/requirements.txt b/docs/requirements.txt
index 0ab27b5..2dd9157 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -10,7 +10,7 @@ docutils==0.14
 Flask-Sphinx-Themes==1.0.2
 idna==2.8
 imagesize==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 more-itertools==7.0.0
 packaging==19.0