diff --git a/requirements.txt b/requirements.txt
index b27051d..c76a352 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,6 +63,6 @@ tqdm==4.28.1
 traitlets==4.3.2
 urllib3==1.22
 wcwidth==0.1.7
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 xmltodict==0.11.0