diff --git a/requirements.txt b/requirements.txt
index 43c4930..920a83f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@ Jinja2==2.10
 MarkupSafe==1.1.0
 mysqlclient==1.3.13
 waitress==1.4.3
-Werkzeug==0.14.1
+Werkzeug==0.15.5