diff --git a/lib/zip.rb b/lib/zip.rb
index c3a6ed5e..fa382376 100644
--- a/lib/zip.rb
+++ b/lib/zip.rb
@@ -1,7 +1,6 @@
 require 'delegate'
 require 'singleton'
 require 'tempfile'
-require 'tmpdir'
 require 'fileutils'
 require 'stringio'
 require 'zlib'
diff --git a/test/test_helper.rb b/test/test_helper.rb
index ddeba58b..6d11af6c 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -2,6 +2,7 @@
 require 'minitest/autorun'
 require 'minitest/unit'
 require 'fileutils'
+require 'tmpdir'
 require 'digest/sha1'
 require 'zip'
 require 'gentestfiles'