diff --git a/requirements.txt b/requirements.txt
index dc0ed7e..2fae13a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ sphinx-rtd-theme==0.1.8
 SQLAlchemy==0.9.8
 tox==3.0.0rc2
 virtualenv==13.0.3
-Werkzeug==0.10.4
+Werkzeug==0.15.3
 wheel==0.24.0
 mysql-python==1.2.5
 xlrd==1.0.0