diff --git a/jekyll.gemspec b/jekyll.gemspec
index 86cbd1e8..ed0d9201 100644
--- a/jekyll.gemspec
+++ b/jekyll.gemspec
@@ -27,20 +27,20 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency('classifier', "~> 1.3")
   s.add_runtime_dependency('directory_watcher', "~> 1.1")
   s.add_runtime_dependency('maruku', "~> 0.5")
-  s.add_runtime_dependency('kramdown', "~> 0.13.4")
+  s.add_runtime_dependency('kramdown', "~> 0.14.1")
   s.add_runtime_dependency('pygments.rb', "~> 0.3.2")
   s.add_runtime_dependency('commander', "~> 4.1.3")
   s.add_runtime_dependency('safe_yaml', "~> 0.4")
 
-  s.add_development_dependency('rake', "~> 0.9")
+  s.add_development_dependency('rake', "~> 10.0.3")
   s.add_development_dependency('rdoc', "~> 3.11")
   s.add_development_dependency('redgreen', "~> 1.2")
-  s.add_development_dependency('shoulda', "~> 2.11")
+  s.add_development_dependency('shoulda', "~> 3.3.2")
   s.add_development_dependency('rr', "~> 1.0")
-  s.add_development_dependency('cucumber', "1.1")
+  s.add_development_dependency('cucumber', "~> 1.2.1")
   s.add_development_dependency('RedCloth', "~> 4.2")
   s.add_development_dependency('rdiscount', "~> 1.6")
-  s.add_development_dependency('redcarpet', "~> 2.1.1")
+  s.add_development_dependency('redcarpet', "~> 2.2.2")
   s.add_development_dependency('launchy', "~> 2.1.2")
   s.add_development_dependency('simplecov', "~> 0.7")
   s.add_development_dependency('simplecov-gem-adapter', "~> 1.0.1")
@@ -48,7 +48,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency('sequel', "~> 3.42")
   s.add_development_dependency('htmlentities', "~> 4.3")
   s.add_development_dependency('hpricot', "~> 0.8")
-  
+
   # = MANIFEST =
   s.files = %w[
     .travis.yml
diff --git a/test/helper.rb b/test/helper.rb
index c4df5f28..f4bdcf19 100644
--- a/test/helper.rb
+++ b/test/helper.rb
@@ -5,6 +5,7 @@ if RUBY_VERSION > '1.9' && ENV["COVERAGE"] == "true"
 end
 
 require 'rubygems'
+require 'test/unit'
 gem 'RedCloth', '>= 4.2.1'
 
 require 'jekyll'