diff --git a/requirements.txt b/requirements.txt
index 684a13c..640f125 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,6 +22,6 @@ six==1.12.0
 SQLAlchemy>=1.3.0
 traitlets==4.3.2
 wcwidth==0.1.7
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 pandas==0.23.4