diff --git a/dev-requirements.txt b/dev-requirements.txt
index a539303..ddb0324 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -4,7 +4,7 @@ Click==7.0
 coverage==4.5.2
 Flask==1.0.2
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 more-itertools==4.3.0
 pluggy==0.8.0
diff --git a/requirements.txt b/requirements.txt
index 48d604b..1e5e76f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Click==7.0
 coverage==4.5.2
 Flask==1.0.2
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 more-itertools==4.3.0
 pluggy==0.8.0