diff --git a/requirements.all.txt b/requirements.all.txt
index 8f491f7..8df1766 100644
--- a/requirements.all.txt
+++ b/requirements.all.txt
@@ -36,4 +36,4 @@ SQLAlchemy==1.2.8
 traitlets==4.3.2
 urllib3==1.22
 wcwidth==0.1.7
-Werkzeug==0.14.1
+Werkzeug==0.15.3