diff --git a/requirements.txt b/requirements.txt
index 8cae921..9b3922e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ ipaddress==1.0.23
 ipykernel==4.10.1
 ipython==5.10.0
 ipython-genutils==0.2.0
-Jinja2==2.11.2
+Jinja2==2.11.3
 jsonschema==3.2.0
 jupyter-client==5.3.4
 jupyter-core==4.6.3