diff --git a/requirements.txt b/requirements.txt
index 784d309..4233cbd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ requests==2.14.2
 itsdangerous==0.24
 Jinja2==2.10
 MarkupSafe==1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 numpy >= 1.8.2
 pandas >= 0.19.0
 scipy >= 0.13.3