diff --git a/requirements.txt b/requirements.txt
index 521dac0..d2f489f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ cryptography==2.8
 Flask==1.1.1
 Flask-Cors==3.0.8
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 pep8==1.7.1
 pkg-resources==0.0.0