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-rw-r--r--activerecord/test/cases/connection_pool_test.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/test/cases/connection_pool_test.rb b/activerecord/test/cases/connection_pool_test.rb
index 7ef5c93a48..efa3e0455e 100644
--- a/activerecord/test/cases/connection_pool_test.rb
+++ b/activerecord/test/cases/connection_pool_test.rb
@@ -1,5 +1,5 @@
require "cases/helper"
-require 'concurrent/atomics'
+require 'concurrent/atomic/count_down_latch'
module ActiveRecord
module ConnectionAdapters