diff --git a/requirements.txt b/requirements.txt
index e4ff1be..179b718 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,4 @@ Flask==1.0
 itsdangerous==0.24
 Jinja2==2.9.5
 MarkupSafe==0.23
-Werkzeug==0.15.3
+Werkzeug==0.15.5