diff --git a/requirements.txt b/requirements.txt
index 2b6183b..d4aa158 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 pymongo==3.7.2
 simpy==3.0.11