diff --git a/requirements.txt b/requirements.txt
index c832550..7c97e1b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,5 +30,5 @@ six==1.11.0
 SQLAlchemy==1.2.13
 urllib3==1.24.1
 webencodings==0.5.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.2.1