diff --git a/requirements.txt b/requirements.txt
index bfb81d6..c43f0d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Flask-Script==2.0.6
 Flask-SQLAlchemy==2.3.2
 Jinja2>=2.10.1
 SQLAlchemy>=1.3.0
-Werkzeug==0.15.3
+Werkzeug==0.15.5
 coverage==4.5.1
 httpie==1.0.3
 itsdangerous==0.24