diff --git a/requirements.txt b/requirements.txt
index a279c60..2a2f375 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ greenlet==0.4.15
 hexbytes==0.1.0
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 logzero==1.5.0
 lru-dict==1.1.6
 MarkupSafe==1.0