diff --git a/requirements.txt b/requirements.txt
index cb8dec0..2a708ff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,4 @@ Jinja2==2.10
 MarkupSafe==1.0
 requests==2.18.4
 urllib3==1.22
-Werkzeug==0.14.1
+Werkzeug==0.15.3