diff --git a/flask_upload_file_service/requirements.txt b/flask_upload_file_service/requirements.txt
index 0b6c463..c16f6b9 100644
--- a/flask_upload_file_service/requirements.txt
+++ b/flask_upload_file_service/requirements.txt
@@ -11,4 +11,4 @@ MarkupSafe==1.0
 pytz==2017.2
 redis==2.10.5
 vine==1.1.3
-Werkzeug==0.12.1
+Werkzeug==0.15.3