diff --git a/requirements.txt b/requirements.txt
index 579ed5e..23edda6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@ itsdangerous==0.24
 Jinja2==2.8
 MarkupSafe==1.0
 redis==2.10.5
-Werkzeug==0.12.2
+Werkzeug==0.15.5