diff --git a/plugin.rb b/plugin.rb
index 399e963..62e8c85 100644
--- a/plugin.rb
+++ b/plugin.rb
@@ -27,7 +27,7 @@ class Engine < ::Rails::Engine
   end
 
   class ::Retort::RetortsController < ApplicationController
-    before_filter :verify_post_and_user, only: :update
+    before_action :verify_post_and_user, only: :update
 
     def update
       retort.toggle_user(current_user)