diff --git a/requirements.txt b/requirements.txt
index 65919e9..97705f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,6 +50,6 @@ SQLAlchemy==1.2.8
 typed-ast==1.1.0
 urllib3==1.24.1
 vine==1.1.4
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wrapt==1.10.11
 WTForms==2.1