diff --git a/examples/ruby-on-rails-api/Gemfile b/examples/ruby-on-rails-api/Gemfile
index ee80f780..911cb457 100644
--- a/examples/ruby-on-rails-api/Gemfile
+++ b/examples/ruby-on-rails-api/Gemfile
@@ -1,17 +1,17 @@
 source 'https://rubygems.org'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '4.2.5.1'
+gem 'rails', '5.0.0.1'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', groups: [:development, :test]
 
 gem 'pg'
 # Use SCSS for stylesheets
-gem 'sass-rails', '~> 5.0.4'
+gem 'sass-rails', '~> 5.0.6'
 # Use Uglifier as compressor for JavaScript assets
-gem 'uglifier', '>= 2.7.2'
+gem 'uglifier', '>= 3.0.3'
 # Use CoffeeScript for .js.coffee assets and views
-gem 'coffee-rails', '~> 4.1.1'
+gem 'coffee-rails', '~> 4.2.1'
 # See https://github.com/sstephenson/execjs#readme for more supported runtimes
 # gem 'therubyracer',  platforms: :ruby
 
@@ -20,11 +20,11 @@ gem 'jquery-rails'
 # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
 gem 'turbolinks'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-gem 'jbuilder', '~> 2.4.1'
+gem 'jbuilder', '~> 2.6.0'
 # bundle exec rake doc:rails generates the API under doc/api.
-gem 'sdoc', '~> 0.4.1', group: :doc
+gem 'sdoc', '~> 0.4.2', group: :doc
 # knock dependency
-gem 'knock', '~> 1.4.2'
+gem 'knock', '~> 2.0'
 
 # Dot env
 gem 'dotenv-rails', groups: [:development, :test]
diff --git a/examples/ruby-on-rails-api/app/controllers/secured_ping_controller.rb b/examples/ruby-on-rails-api/app/controllers/secured_ping_controller.rb
index d9c2ce95..6c75bb75 100644
--- a/examples/ruby-on-rails-api/app/controllers/secured_ping_controller.rb
+++ b/examples/ruby-on-rails-api/app/controllers/secured_ping_controller.rb
@@ -1,11 +1,11 @@
 # Secured ping Controller
 class SecuredPingController < ApplicationController
-  before_action :authenticate
+  before_action :authenticate_user
 
   def ping
     render json: {
       message: "All good. You only get this message if you're authenticated.",
-      user: @current_user
+      user: current_user
     }
   end
 end
diff --git a/examples/ruby-on-rails-api/app/models/User.rb b/examples/ruby-on-rails-api/app/models/User.rb
new file mode 100644
index 00000000..1bdc59fb
--- /dev/null
+++ b/examples/ruby-on-rails-api/app/models/User.rb
@@ -0,0 +1,5 @@
+class User < ActiveRecord::Base
+  def self.from_token_payload payload
+    payload["sub"]
+  end
+end
\ No newline at end of file
diff --git a/examples/ruby-on-rails-api/config/initializers/knock.rb b/examples/ruby-on-rails-api/config/initializers/knock.rb
index b84c792c..bad5b84d 100644
--- a/examples/ruby-on-rails-api/config/initializers/knock.rb
+++ b/examples/ruby-on-rails-api/config/initializers/knock.rb
@@ -1,19 +1,5 @@
 require 'base64'
 Knock.setup do |config|
-  ## Current user retrieval when validating token
-  ## --------------------------------------------
-  ##
-  ## This is how you can tell Knock how to retrieve the current_user.
-  ## By default, it assumes you have a model called `User` and that
-  ## the user_id is stored in the 'sub' claim.
-  ##
-  ## Default:
-  # config.current_user_from_token = -> (claims) { User.find claims['sub'] }
-
-  # !!!
-  # This is only to make the example test cases pass, you should use a real
-  # user model in your app instead.
-  config.current_user_from_token = -> (claims) { { id: claims['sub'] } }
 
   ## Expiration claim
   ## ----------------
@@ -44,10 +30,6 @@
   # config.token_secret_signature_key = -> { Rails.application.secrets.secret_key_base }
 
   ## If using Auth0, uncomment the line below
-  # config.token_secret_signature_key = -> { JWT.base64url_decode Rails.application.secrets.auth0_client_secret }
-  config.token_secret_signature_key = lambda {
-    secret = Rails.application.secrets.auth0_client_secret
-    secret += '=' * (4 - secret.length.modulo(4))
-    Base64.decode64(secret.tr('-_', '+/'))
-  }
+  config.token_secret_signature_key = -> { JWT.base64url_decode Rails.application.secrets.auth0_client_secret }
+  
 end