diff --git a/ruby-lxc.gemspec b/ruby-lxc.gemspec
index 2802efa..4df7fcb 100644
--- a/ruby-lxc.gemspec
+++ b/ruby-lxc.gemspec
@@ -13,6 +13,8 @@ Gem::Specification.new do |s|
   s.extensions = 'ext/lxc/extconf.rb'
   s.has_rdoc   = true
 
+  s.add_development_dependency "rdoc"
+  s.add_development_dependency "rdoc-data"
   s.add_development_dependency "rake-compiler"
 
   s.homepage    = 'https://github.com/lxc/ruby-lxc'