diff --git a/requirements.txt b/requirements.txt
index 2440a1d..3726867 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Flask==1.0.2
 Flask-SocketIO==3.0.1
 greenlet==0.4.14
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 monotonic==1.5
 python-engineio==2.2.0