diff --git a/requirements.txt b/requirements.txt
index 885928c..244ca2d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ future==0.16.0
 idna==2.7
 isodate==0.6.0
 itsdangerous==0.24
-jinja2==2.10
+jinja2==2.11.3
 lxml==4.2.5
 markupsafe==1.0
 ntlm-auth==1.2.0