diff --git a/requirements.txt b/requirements.txt
index 02e55bd..1c184b0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,4 +13,4 @@ pymongo==3.2.2
 react==3.0.1
 requests==2.20.0
 simplejson==3.8.2
-Werkzeug==0.11.3
+Werkzeug==0.15.3