diff --git a/requirements.txt b/requirements.txt
index a69ec6b..31f885e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,4 +26,4 @@ tensorflow==1.4.1
 tensorflow-tensorboard==0.4.0
 termcolor==1.1.0
 Theano==0.8.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3