diff --git a/requirements.txt b/requirements.txt
index f444308..413f5d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ idna==2.5
 incremental==17.5.0
 itsdangerous==0.24
 jicson==1.0.1
-Jinja2==2.8
+Jinja2==2.11.3
 juggernaut==0.2
 kombu==4.0.2
 korean==0.1.8