diff --git a/requirements-dev.txt b/requirements-dev.txt
index cbec19e..864e6b1 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -27,4 +27,4 @@ Sphinx==1.8.2
 sphinxcontrib-websupport==1.1.0
 SQLAlchemy==1.2.15
 urllib3==1.24.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3