diff --git a/requirements.txt b/requirements.txt
index 5a6c58d..e3648a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@ itsdangerous==1.1.0
 Jinja2==2.10.1
 MarkupSafe==1.1.1
 visitor==0.1.3
-Werkzeug==0.15.4
+Werkzeug==0.15.5