diff --git a/requirements.txt b/requirements.txt
index d83d898..112a76e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,4 +30,4 @@ six==1.11.0
 tensorboard==1.8.0
 tensorflow==1.8.0
 termcolor==1.1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.5