diff --git a/requirements.txt b/requirements.txt
index 6195e8f..06785ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ Flask==1.0.2
 Flask-Cors==3.0.7
 idna==2.7
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 msgpack==0.5.6
 msgpack-numpy==0.4.3.2