diff --git a/requirements.txt b/requirements.txt
index 6ba4a49..be26306 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,4 @@ Jinja2==2.10.1
 MarkupSafe==1.1.1
 pytz==2019.1
 six==1.12.0
-Werkzeug==0.15.4
+Werkzeug==0.15.5