diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 4aa9e69..7060224 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,3 +1,4 @@
 require 'puppet-lint'
+require 'rspec/collection_matchers'
 
 PuppetLint::Plugins.load_spec_helper