diff --git a/requirements.txt b/requirements.txt
index 091fc31..254d6c8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Flask==1.0.2
 Jinja2==2.10.1
-werkzeug==0.15.0
+werkzeug==0.15.5
 Flask-DebugToolbar==0.10.1
 Flask-UUID==0.2
 raven[flask]==6.6.0