diff --git a/flask/requirements.txt b/flask/requirements.txt
index ee89aa8..694ff4c 100644
--- a/flask/requirements.txt
+++ b/flask/requirements.txt
@@ -5,5 +5,5 @@ Jinja2==2.8
 MarkupSafe==0.23
 python-dateutil==2.4.2
 six==1.9.0
-Werkzeug==0.10.4
+Werkzeug==0.15.3
 wheel==0.26.0
diff --git a/flask/templates/requirements.txt b/flask/templates/requirements.txt
index ee89aa8..694ff4c 100644
--- a/flask/templates/requirements.txt
+++ b/flask/templates/requirements.txt
@@ -5,5 +5,5 @@ Jinja2==2.8
 MarkupSafe==0.23
 python-dateutil==2.4.2
 six==1.9.0
-Werkzeug==0.10.4
+Werkzeug==0.15.3
 wheel==0.26.0