diff --git a/requirements.txt b/requirements.txt
index 02ad3d9..91d965b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,5 +52,5 @@ typing==3.6.4
 urllib3==1.23
 virtualenv==16.0.0
 virtualenv-clone==0.3.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wrapt==1.10.11