diff --git a/requirements.txt b/requirements.txt
index 1498f4d..4d1028c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 antlr4-python3-runtime==4.7.2
 Flask==1.0.2
-Jinja2==2.10.1
+Jinja2==2.11.3
 graphviz==0.10.1
 Werkzeug==0.15.3
 gunicorn==19.9.0