diff --git a/requirements.txt b/requirements.txt
index 8c11f53..3786e8b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -89,4 +89,4 @@ twython==3.7.0
 unicornhathd==0.0.4
 uritemplate==3.0.0
 urllib3==1.25.6
-Werkzeug==0.14.1
+Werkzeug==0.15.3