diff --git a/requirements.txt b/requirements.txt
index 7c7f948..86736b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Flask==0.12.2
 Flask-Testing==0.7.1
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 certifi==2018.01.18
 chardet==3.0.4