diff --git a/requirements.txt b/requirements.txt
index ca1bac1..7c33991 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ click==6.7
 Flask==0.12.2
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 Pillow==5.0.0
 pymongo==3.5.1