diff --git a/requirements.txt b/requirements.txt
index 2edc962..3fef4fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@ itsdangerous==0.24
 Jinja2==2.8
 MarkupSafe==0.23
 SQLAlchemy==1.0.14
-Werkzeug==0.11.10
+Werkzeug==0.15.3