diff --git a/requirements.txt b/requirements.txt
index 0c85b3c..afca46b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ paho-mqtt==1.3.1
 PyJWT==1.4.2
 SQLAlchemy==1.2.4
 visitor==0.1.3
-Werkzeug==0.14.1
+Werkzeug==0.15.5
 WTForms==2.1