diff --git a/requirements.txt b/requirements.txt
index 873cb38..adfd03c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ cryptography==2.2.2
 Flask==1.0.2
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 pycparser==2.18
 pycryptodome==3.6.1