diff --git a/requirements.txt b/requirements.txt
index 49f7e66..91a66f0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,4 +25,4 @@ six==1.12.0
 SQLAlchemy==1.2.17
 urllib3==1.24.1
 webencodings==0.5.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3