diff --git a/requirements-dev.txt b/requirements-dev.txt
index b6293527765f4036b86ab4359c4b8c9a4a76528c..bd3c6039bb60213e542d2d10598a6ecfc7cf9209 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,4 +7,4 @@ flake8==3.7.9
 responses==0.10.6
 stellar==0.4.5
 wagtail-factories==1.1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3