diff --git a/requirements.txt b/requirements.txt
index e243186..f1bee04 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ ipaddr==2.2.0
 ipaddress==1.0.18
 isso==0.10.6
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 Markdown==2.6.9
 MarkupSafe==1.0
 misaka==1.0.2