diff --git a/requirements.txt b/requirements.txt
index 0bbb4a0..0a83403 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ chardet==3.0.4
 docutils==0.14
 idna==2.7
 imagesize==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.0
 packaging==18.0
 pigpio==1.41