diff --git a/requirements.txt b/requirements.txt
index d96541e..8b6dbe6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ attrs==19.1.0
 base58==1.0.3
 chardet==3.0.4
 idna==2.8
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 more-itertools==7.0.0
 multidict==4.5.2