diff --git a/lib/zanzibar/defaults.rb b/lib/zanzibar/defaults.rb
index bf1f108..34cb371 100644
--- a/lib/zanzibar/defaults.rb
+++ b/lib/zanzibar/defaults.rb
@@ -1,4 +1,4 @@
-include 'pathname'
+require 'pathname'
 
 # Definitions for various strings used throughout the gem
 module Zanzibar