diff --git a/lib/emeril/publisher.rb b/lib/emeril/publisher.rb
index b2e3643..1017f6f 100644
--- a/lib/emeril/publisher.rb
+++ b/lib/emeril/publisher.rb
@@ -5,6 +5,7 @@
 require "chef/cookbook_site_streaming_uploader"
 require "chef/knife/cookbook_site_share"
 require "chef/knife/core/ui"
+require "chef/mixin/command"
 require "fileutils"
 require "tmpdir"