diff --git a/implementations/python/requirements.txt b/implementations/python/requirements.txt
index ebd185d..67833c7 100644
--- a/implementations/python/requirements.txt
+++ b/implementations/python/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