diff --git a/requirements.txt b/requirements.txt
index bc73d5e..39da960 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -123,6 +123,6 @@ uamqp==1.2.9
 unicornhathd==0.0.4
 urllib3==1.24.2
 webencodings==0.5.1
-Werkzeug==0.14.1
+Werkzeug==0.15.5
 wrapt==1.12.1
 zipp==3.1.0