diff --git a/requirements.txt b/requirements.txt
index 432d7cfd01..bade0e5b3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Flask==0.12.4
-Werkzeug==0.11.11
+Werkzeug==0.15.5
 Jinja2==2.8
 itsdangerous==0.24
 click==6.6