diff --git a/requirements.txt b/requirements.txt
index c4fd48f..46d2a4c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,4 @@ Jinja2==2.10
 MarkupSafe==1.1.1
 requests==2.18.4
 urllib3==1.22
-Werkzeug==0.14.1
+Werkzeug==0.15.3