diff --git a/requirements/dev.txt b/requirements/dev.txt
index e4d14bef109..b600f217470 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -43,6 +43,6 @@ tox==2.3.1 \
     --hash=sha256:bf7fcc140863820700d3ccd65b33820ba747b61c5fe4e2b91bb8c64cb21a47ee
 
 # Enables ./manage.py runserver_plus with in-browser exception debugging
-Werkzeug==0.11.4 \
+Werkzeug==0.15.5 \
     --hash=sha256:7db3cb2d4725be0680abf64a45b18229186f03ad8b9989abbe053f9357b17b37 \
  --hash=sha256:e48fb7e3f2bb5a740dd9a666624699a4d83e2e028555f9c46bcc8ecfc2cd8c32