diff --git a/lib/beta_builder/archived_build.rb b/lib/beta_builder/archived_build.rb
index d9639e0..5cb540b 100644
--- a/lib/beta_builder/archived_build.rb
+++ b/lib/beta_builder/archived_build.rb
@@ -1,6 +1,6 @@
 require 'uuid'
 require 'fileutils'
-require 'CFPropertyList'
+require 'cfpropertylist'
 
 module BetaBuilder
   def self.archive(configuration)