diff --git a/requirements.txt b/requirements.txt
index 813be82..3234fe1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,5 +40,5 @@ seaborn==0.9.0
 six==1.12.0
 traitlets==4.3.2
 urllib3==1.24.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wrapt==1.11.1