diff --git a/requirements.txt b/requirements.txt
index ae5b4ef..eaf89ba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Flask==1.0.2
 Flask-SQLAlchemy==2.0
 itsdangerous==0.24
-Jinja2==2.7.3
+Jinja2==2.11.3
 lxml==3.4.4
 Markdown==2.6.2
 MarkupSafe==0.23