diff --git a/requirements.txt b/requirements.txt
index 0aebbe5..3951183 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -75,4 +75,4 @@ touchphat==0.0.1
 twython==3.7.0
 unicornhathd==0.0.4
 urllib3==1.24.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3