diff --git a/requirements.txt b/requirements.txt
index b4ca511..6b79b8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ itsdangerous==0.24
 Jinja2==2.10
 MarkupSafe==1.0
 peewee==3.3.4
-Werkzeug==0.14.1
+Werkzeug==0.15.5