diff --git a/lib/dynflow.rb b/lib/dynflow.rb
index <HASH>..<HASH> 100644
--- a/lib/dynflow.rb
+++ b/lib/dynflow.rb
@@ -55,7 +55,8 @@ module Dynflow
 
     class Railtie < Rails::Railtie
       config.before_initialize do
-        ::ActiveJob::QueueAdapters.include(
+        ::ActiveJob::QueueAdapters.send(
+          :include,
           Dynflow::ActiveJob::QueueAdapters
         )
       end
Ruby <I> compatibility for ActiveJob

Calling .include on a class does not work as it's a private method in
Ruby pre <I>.

<URL>