diff --git a/requirements-dev.txt b/requirements-dev.txt
index 901dd0f..103973e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -21,7 +21,7 @@ graphviz==0.8.3
 idna==2.6
 imagesize==1.0.0
 jinja2-time==0.2.0
-jinja2==2.10
+jinja2==2.11.3
 markupsafe==1.0
 mondrian==0.7.0
 more-itertools==4.2.0
diff --git a/requirements.txt b/requirements.txt
index e2336f9..14f13c3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ colorama==0.3.9
 fs==2.0.23
 graphviz==0.8.3
 idna==2.6
-jinja2==2.10
+jinja2==2.11.3
 markupsafe==1.0
 mondrian==0.7.0
 packaging==17.1