Use params.expect

app/controllers/workflows/stages_controller.rb

@@ -31,6 +31,6 @@ class Workflows::StagesController < ApplicationController
     end
 
     def stage_params
-      params.require(:workflow_stage).permit(:name)
+      params.expect(workflow_stage: [ :name ])
     end
 end

app/controllers/workflows_controller.rb

@@ -38,6 +38,6 @@ class WorkflowsController < ApplicationController
     end
 
     def workflow_params
-      params.require(:workflow).permit(:name)
+      params.expect(workflow: [ :name ])
     end
 end