diff --git a/requirements.txt b/requirements.txt
index 7763b56..91ba87f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,5 +19,5 @@ requests==2.6.0
 six==1.9.0
 tornado==4.1
 urllib3==1.10.2
-Werkzeug==0.10.1
+Werkzeug==0.15.3
 WTForms==2.0.2