diff --git a/Gemfile b/Gemfile
index be20ad8..595457c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -20,7 +20,6 @@ gem ENV["MULTI_JSON_ENGINE"], :group => :development if ENV["MULTI_JSON_ENGINE"]
 group :development do
   gem "rspec", "~> 2.7"
   gem "bundler", "~> 1.0"
-  gem "jeweler", "~> 1.6.0"
-  gem "rcov", ">= 0"
+  gem "jeweler", "~> 1.8.3"
   gem "rdoc", "~> 3.11"
 end
diff --git a/Rakefile b/Rakefile
index 042478e..ccc1605 100644
--- a/Rakefile
+++ b/Rakefile
@@ -26,11 +26,6 @@ RSpec::Core::RakeTask.new(:spec) do |spec|
   spec.pattern = FileList['spec/**/*_spec.rb']
 end
 
-RSpec::Core::RakeTask.new(:rcov) do |spec|
-  spec.pattern = 'spec/**/*_spec.rb'
-  spec.rcov = true
-end
-
 task :default => :spec
 
 require 'rdoc/task'