diff --git a/requirements.txt b/requirements.txt
index dcc0172..7e9d32e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@ greenlet==0.4.15
 itsdangerous==0.24
 Jinja2>=2.10.1
 MarkupSafe==1.0
-Werkzeug==0.15.3
+Werkzeug==0.15.5