diff --git a/requirements.txt b/requirements.txt
index 4e26d49..d1c95f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -204,7 +204,7 @@ unicodecsv==0.14.1
 urllib3==1.24.1
 wcwidth==0.1.7
 webencodings==0.5.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 widgetsnbextension==3.4.2
 wrapt==1.11.1
 wurlitzer==1.0.2