diff --git a/requirements.txt b/requirements.txt
index 14551ff..00ab2b0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ click==6.7
 ecdsa==0.13.3
 Flask==1.0.2
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 mock==2.0.0
 more-itertools==4.3.0