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-rw-r--r--activesupport/test/share_lock_test.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activesupport/test/share_lock_test.rb b/activesupport/test/share_lock_test.rb
index ad41db608b..465a657308 100644
--- a/activesupport/test/share_lock_test.rb
+++ b/activesupport/test/share_lock_test.rb
@@ -1,5 +1,5 @@
require 'abstract_unit'
-require 'concurrent/atomics'
+require 'concurrent/atomic/count_down_latch'
require 'active_support/concurrency/share_lock'
class ShareLockTest < ActiveSupport::TestCase