diff --git a/requirements.txt b/requirements.txt
index be1ecfa..5815ab6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,5 +51,5 @@ SQLAlchemy==1.1.11
 urllib3==1.22
 vine==1.1.4
 visitor==0.1.3
-Werkzeug==0.12.2
+Werkzeug==0.15.5
 WTForms==2.1