diff --git a/requirements.txt b/requirements.txt
index 9de7471..e78c79f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,4 @@ Jinja2==2.10.1
 MarkupSafe==1.1.1
 pymongo==3.8.0
 six==1.12.0
-Werkzeug==0.15.4
+Werkzeug==0.15.5