diff --git a/nagios/requirements.txt b/nagios/requirements.txt
index 084cba9..e159a9c 100644
--- a/nagios/requirements.txt
+++ b/nagios/requirements.txt
@@ -1,5 +1,5 @@
 appdirs==1.4.0
-Jinja2==2.9.5
+Jinja2==2.11.3
 MarkupSafe==0.23
 packaging==16.8
 pyparsing==2.1.10