diff --git a/dev-requirements.txt b/dev-requirements.txt
index 0fc1955..e7b9aa5 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -8,5 +8,5 @@ mock==1.2.0
 pbr==1.3.0
 six==1.9.0
 statsd==3.1
-Werkzeug==0.10.4
+Werkzeug==0.15.3
 wheel==0.24.0
diff --git a/requirements.txt b/requirements.txt
index dbef41c..fc38284 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ itsdangerous==0.24
 Jinja2==2.7.3
 MarkupSafe==0.23
 statsd==3.1
-Werkzeug==0.10.4
+Werkzeug==0.15.3