diff --git a/requirements.txt b/requirements.txt
index 88aa885..6bf660f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,5 +9,5 @@ Jinja2==2.8
 MarkupSafe==0.23
 PyMySQL==0.7.9
 SQLAlchemy==1.1.3
-Werkzeug==0.15.3
+Werkzeug==0.15.5
 WTForms==2.1