diff --git a/vagrant.gemspec b/vagrant.gemspec
index 981ce3ed3..23931940b 100644
--- a/vagrant.gemspec
+++ b/vagrant.gemspec
@@ -34,6 +34,7 @@ Gem::Specification.new do |s|
 
   s.add_development_dependency "rake"
   s.add_development_dependency "rspec", "~> 2.14.0"
+  s.add_development_dependency "fake_ftp", "~> 0.1"
 
   # The following block of code determines the files that should be included
   # in the gem. It does this by reading all the files in the directory where