diff --git a/dash-example/requirements.txt b/dash-example/requirements.txt
index b91fe66..7c35cd4 100644
--- a/dash-example/requirements.txt
+++ b/dash-example/requirements.txt
@@ -33,4 +33,4 @@ retrying==1.3.3
 six==1.12.0
 traitlets==4.3.2
 urllib3>=1.24.2
-Werkzeug==0.15.3
+Werkzeug==0.15.5