diff --git a/requirements.txt b/requirements.txt
index 750708c..03c875a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ docutils==0.14
 Flask==1.0.2
 idna==2.7
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 pkginfo==1.4.2
 pycparser==2.19