diff --git a/lib/rspec/rails/matchers/active_job.rb b/lib/rspec/rails/matchers/active_job.rb
index 1bdd323e5..eed6e809f 100644
--- a/lib/rspec/rails/matchers/active_job.rb
+++ b/lib/rspec/rails/matchers/active_job.rb
@@ -1,5 +1,6 @@
 require "active_job/base"
 require "active_job/arguments"
+require "rspec/mocks/configuration"
 
 module RSpec
   module Rails