diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 2d93df0..98ea4ef 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -4,6 +4,8 @@ require 'minitest/spec'
 require 'minitest/autorun'
 require 'minitest/matchers'
 
+require 'process_shared'
+
 class RangeMatcher
   def initialize(operator, limit)
     @operator = operator.to_sym