diff --git a/requirements-dev.txt b/requirements-dev.txt
index 887d1f6..8265c69 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -35,5 +35,5 @@ s3transfer==0.1.13
 six==1.11.0
 urllib3==1.22
 websocket-client==0.47.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 whichcraft==0.4.1