diff --git a/docker/settings.py b/docker/settings.py
index 863fc62..c11c700 100644
--- a/docker/settings.py
+++ b/docker/settings.py
@@ -298,4 +298,5 @@ USE_X_FORWARDED_HOST = True
 ALLOWED_HOSTS = [os.getenv('HOSTNAME', 'layers.test')]
 SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
 SECURE_BROWSER_XSS_FILTER = True
+SECURE_CONTENT_TYPE_NOSNIFF = True