diff --git a/requirements.txt b/requirements.txt
index 46174c8..880c23c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ six==1.11.0
 tensorflow>=1.5.0
 tensorflow-tensorboard==1.5.1
 termcolor==1.1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.5
 protobuf-compiler
 python-pil
 python-lxml