diff --git a/requirement.txt b/requirement.txt
index 69e47c6..bb22281 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -4,7 +4,7 @@ Click==7.0
 Flask==1.0.2
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 PyMySQL==0.9.3
 requests==2.21.0