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-rw-r--r--activerecord/lib/active_record/migration.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index d4cda927ad..c163fb982a 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -1,4 +1,4 @@
-require 'active_support/core_ext/object/singleton_class'
+require 'active_support/core_ext/kernel/singleton_class'
module ActiveRecord
# Exception that can be raised to stop migrations from going backwards.