diff --git a/requirements.txt b/requirements.txt
index ffed586..4dd48d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,4 @@ MarkupSafe==1.0
 pkg-resources==0.0.0
 requests==2.18.4
 urllib3==1.22
-Werkzeug==0.13
+Werkzeug==0.15.3