diff --git a/requirements.txt b/requirements.txt
index 917d390..13b87f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ Flask==1.0.2
 hexbytes==0.1.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 lru-dict==1.1.6
 MarkupSafe==1.1.1
 parsimonious==0.8.1