diff --git a/requirement_dev.txt b/requirement_dev.txt
index bb4b154..de6ddc7 100644
--- a/requirement_dev.txt
+++ b/requirement_dev.txt
@@ -6,7 +6,7 @@ click==6.7
 Flask==1.0.2
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 more-itertools==4.2.0
 pluggy==0.6.0