diff --git a/spec/rack_attack_instrumentation_spec.rb b/spec/rack_attack_instrumentation_spec.rb
index 1bd51a3..898a7d2 100644
--- a/spec/rack_attack_instrumentation_spec.rb
+++ b/spec/rack_attack_instrumentation_spec.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require_relative "spec_helper"
+
 # ActiveSupport::Subscribers added in ~> 4.0.2.0
 if ActiveSupport::VERSION::MAJOR > 3
   require_relative 'spec_helper'