diff --git a/activejob/lib/active_job/arguments.rb b/activejob/lib/active_job/arguments.rb
index e2c076eb3f..752be6898e 100644
--- a/activejob/lib/active_job/arguments.rb
+++ b/activejob/lib/active_job/arguments.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/hash/indifferent_access'
+
 module ActiveJob
   # Raised when an exception is raised during job arguments deserialization.
   #