diff --git a/requirements.txt b/requirements.txt
index b4c3294..55a6b3b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Flask==0.12.2
 idna==2.6
 inflection==0.3.1
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 jsonschema==2.6.0
 MarkupSafe==1.0
 pluggy==0.5.2
diff --git a/test-requirements.txt b/test-requirements.txt
index 0ba7058..b3feb0d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -8,7 +8,7 @@ Flask==0.12.2
 idna==2.6
 inflection==0.3.1
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 jsonschema==2.6.0
 MarkupSafe==1.0
 pluggy==0.5.2