diff --git a/requirements.txt b/requirements.txt
index 7a52034..4f02b80 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,5 +18,5 @@ PySocks==1.6.8
 requests==2.19.1
 six==1.11.0
 urllib3==1.23
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.1