diff --git a/requirements.txt b/requirements.txt
index 3546fa2..a2e7dfe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ gevent==1.3.6
 greenlet==0.4.15
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 kazoo==2.5.0
 MarkupSafe==1.0
 more-itertools==4.3.0