diff --git a/horizon/values.yaml b/horizon/values.yaml
index e3eeb9320c..c16b865997 100644
--- a/horizon/values.yaml
+++ b/horizon/values.yaml
@@ -91,7 +91,7 @@ conf:
           WSGIScriptAlias / /var/www/cgi-bin/horizon/django.wsgi
           WSGIPassAuthorization On
           RewriteEngine on
-          RewriteCond %{REQUEST_METHOD} !^(POST|PUT|GET|DELETE)
+          RewriteCond %{REQUEST_METHOD} !^(POST|PUT|GET|DELETE|PATCH)
           RewriteRule .* - [F]
 
           <Location "/">