diff --git a/requirements.txt b/requirements.txt
index 62dfc13..999fc01 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,4 +27,4 @@ Theano==1.0.0
 urllib3==1.22
 watchdog==0.8.3
 wcwidth==0.1.7
-Werkzeug==0.11.15
+Werkzeug==0.15.3