diff --git a/requirements.txt b/requirements.txt
index 07e2515..3237ea5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,4 +58,4 @@ urllib3==1.24.1
 wcwidth==0.1.7
 webencodings==0.5.1
 websocket-client==0.54.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3