diff --git a/api/requirements.txt b/api/requirements.txt
index 444ba6a..c4ce38e 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -5,7 +5,7 @@ Flask-Cors==3.0.7
 Flask-Misaka==0.4.1
 gunicorn==19.9.0
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==0.23
 misaka==2.1.1
 nose==1.3.3