diff --git a/dr/requirements.txt b/dr/requirements.txt
index c2e9c32..cd3c15c 100644
--- a/dr/requirements.txt
+++ b/dr/requirements.txt
@@ -30,7 +30,7 @@ ipython==5.5.0
 ipython-genutils==0.2.0
 ipywidgets==7.5.1
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 jsonpatch==1.16
 jsonpointer==1.10
 jsonschema==2.6.0