diff --git a/requirements.txt b/requirements.txt
index 9ae8e85..e5c98b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,4 +12,4 @@ requests==2.18.4
 six==1.11.0
 urllib3==1.22
 visitor==0.1.3
-Werkzeug==0.12.2
+Werkzeug==0.15.3