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-rw-r--r--activesupport/lib/active_support/benchmarkable.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/benchmarkable.rb b/activesupport/lib/active_support/benchmarkable.rb
index 6a41aab166..ee02ecb043 100644
--- a/activesupport/lib/active_support/benchmarkable.rb
+++ b/activesupport/lib/active_support/benchmarkable.rb
@@ -1,4 +1,5 @@
require 'active_support/core_ext/benchmark'
+require 'active_support/core_ext/hash/keys'
module ActiveSupport
module Benchmarkable