diff --git a/requirements.txt b/requirements.txt
index 6410c31..0f87acb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,4 +11,4 @@ MarkupSafe==1.0
 PyJWT==1.6.4
 requests==2.19.1
 urllib3==1.23
-Werkzeug==0.14.1
+Werkzeug==0.15.3