diff --git a/guides/source/active_job_basics.md b/guides/source/active_job_basics.md
index d6de92ace6..c9f70dc87b 100644
--- a/guides/source/active_job_basics.md
+++ b/guides/source/active_job_basics.md
@@ -62,12 +62,12 @@ $ bin/rails generate job guests_cleanup --queue urgent
 ```
 
 If you don't want to use a generator, you could create your own file inside of
-`app/jobs`, just make sure that it inherits from `ActiveJob::Base`.
+`app/jobs`, just make sure that it inherits from `ApplicationJob`.
 
 Here's what a job looks like:
 
 ```ruby
-class GuestsCleanupJob < ActiveJob::Base
+class GuestsCleanupJob < ApplicationJob
   queue_as :default
 
   def perform(*guests)
@@ -141,7 +141,7 @@ end
 You can also configure your backend on a per job basis.
 
 ```ruby
-class GuestsCleanupJob < ActiveJob::Base
+class GuestsCleanupJob < ApplicationJob
   self.queue_adapter = :resque
   #....
 end
@@ -171,7 +171,7 @@ Most of the adapters support multiple queues. With Active Job you can schedule
 the job to run on a specific queue:
 
 ```ruby
-class GuestsCleanupJob < ActiveJob::Base
+class GuestsCleanupJob < ApplicationJob
   queue_as :low_priority
   #....
 end
@@ -189,7 +189,7 @@ module YourApp
 end
 
 # app/jobs/guests_cleanup_job.rb
-class GuestsCleanupJob < ActiveJob::Base
+class GuestsCleanupJob < ApplicationJob
   queue_as :low_priority
   #....
 end
@@ -212,7 +212,7 @@ module YourApp
 end
 
 # app/jobs/guests_cleanup_job.rb
-class GuestsCleanupJob < ActiveJob::Base
+class GuestsCleanupJob < ApplicationJob
   queue_as :low_priority
   #....
 end
@@ -234,7 +234,7 @@ block will be executed in the job context (so you can access `self.arguments`)
 and you must return the queue name:
 
 ```ruby
-class ProcessVideoJob < ActiveJob::Base
+class ProcessVideoJob < ApplicationJob
   queue_as do
     video = self.arguments.first
     if video.owner.premium?
@@ -274,7 +274,7 @@ trigger logic during the life cycle of a job.
 ### Usage
 
 ```ruby
-class GuestsCleanupJob < ActiveJob::Base
+class GuestsCleanupJob < ApplicationJob
   queue_as :default
 
   before_enqueue do |job|
@@ -331,7 +331,7 @@ Active Record objects to your job instead of class/id pairs, which you then have
 to manually deserialize. Before, jobs would look like this:
 
 ```ruby
-class TrashableCleanupJob < ActiveJob::Base
+class TrashableCleanupJob < ApplicationJob
   def perform(trashable_class, trashable_id, depth)
     trashable = trashable_class.constantize.find(trashable_id)
     trashable.cleanup(depth)
@@ -342,7 +342,7 @@ end
 Now you can simply do:
 
 ```ruby
-class TrashableCleanupJob < ActiveJob::Base
+class TrashableCleanupJob < ApplicationJob
   def perform(trashable, depth)
     trashable.cleanup(depth)
   end
@@ -360,7 +360,7 @@ Active Job provides a way to catch exceptions raised during the execution of the
 job:
 
 ```ruby
-class GuestsCleanupJob < ActiveJob::Base
+class GuestsCleanupJob < ApplicationJob
   queue_as :default
 
   rescue_from(ActiveRecord::RecordNotFound) do |exception|