diff --git a/doc-src/SASS_CHANGELOG.md b/doc-src/SASS_CHANGELOG.md
index 784709bd..fcfa4b28 100644
--- a/doc-src/SASS_CHANGELOG.md
+++ b/doc-src/SASS_CHANGELOG.md
@@ -101,6 +101,9 @@ Several bug fixes and minor improvements have been made, including:
   and is forwards-compatible with alpha-channel colors
   (to be introduced in Sass 2.4).
 
+* Added a missing require in Sass that caused crashes
+  when it was being run standalone.
+
 ## [2.2.14](http://github.com/nex3/haml/commit/2.2.14)
 
 * All Sass functions now raise explicit errors if their inputs
diff --git a/lib/sass/files.rb b/lib/sass/files.rb
index 85be272e..2a313d0b 100644
--- a/lib/sass/files.rb
+++ b/lib/sass/files.rb
@@ -1,5 +1,6 @@
 require 'digest/sha1'
 require 'pathname'
+require 'fileutils'
 
 module Sass
   # This module contains various bits of functionality