diff --git a/req.txt b/req.txt
index b0add3d..849403c 100644
--- a/req.txt
+++ b/req.txt
@@ -9,7 +9,7 @@ ipython==6.5.0
 ipython-genutils==0.2.0
 ipywidgets==7.4.1
 jedi==0.12.1
-Jinja2==2.10
+Jinja2==2.11.3
 jsonschema==2.6.0
 jupyter==1.0.0
 jupyter-client==5.2.3
diff --git a/requirements.txt b/requirements.txt
index 8fab704..ff1988d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ ipython==6.5.0
 ipython-genutils==0.2.0
 ipywidgets==7.4.1
 jedi==0.12.1
-Jinja2==2.10
+Jinja2==2.11.3
 jsonschema==2.6.0
 jupyter==1.0.0
 jupyter-client==5.2.3