diff --git a/requirements.txt b/requirements.txt
index 3e5b8f6..6d2068e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -109,5 +109,5 @@ ujson==1.35
 urllib3==1.21.1
 vine==1.1.3
 wcwidth==0.1.7
-Werkzeug==0.11.15
+Werkzeug==0.15.3
 WTForms==2.1