diff --git a/app/controllers/api/v1/group_categories_controller.rb b/app/controllers/api/v1/group_categories_controller.rb
index 02b831af..0496da62 100644
--- a/app/controllers/api/v1/group_categories_controller.rb
+++ b/app/controllers/api/v1/group_categories_controller.rb
@@ -3,6 +3,7 @@
 class Api::V1::GroupCategoriesController < Api::BaseController
   # respond_to :json
 
+  before_action :require_user!
   skip_before_action :set_cache_headers
 
   def index