diff --git a/Gemfile b/Gemfile
index f429c758..78226833 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
 source 'https://rubygems.org'
 
 gemspec
-gem 'rake', '~> 10.0.1'
+gem 'rake', '~> 10.0.2'
diff --git a/gollum.gemspec b/gollum.gemspec
index e926c7e6..9fbf9d0e 100644
--- a/gollum.gemspec
+++ b/gollum.gemspec
@@ -25,22 +25,22 @@ Gem::Specification.new do |s|
 
   s.add_dependency('grit', '~> 2.5.0')
   s.add_dependency('github-markup', ['>= 0.7.4', '< 1.0.0'])
-  s.add_dependency('github-markdown', '~> 0.5.1')
+  s.add_dependency('github-markdown', '~> 0.5.3')
   s.add_dependency('pygments.rb', '~> 0.3.2')
   s.add_dependency('sinatra', '~> 1.3.3')
   s.add_dependency('mustache', ['>= 0.99.4', '< 1.0.0'])
   s.add_dependency('sanitize', '~> 2.0.3')
   s.add_dependency('nokogiri', '~> 1.5.5')
-  s.add_dependency('useragent', '~> 0.4.12')
+  s.add_dependency('useragent', '~> 0.4.13')
   s.add_dependency('stringex', '~> 1.4.0')
 
   s.add_development_dependency('RedCloth', '~> 4.2.9')
   s.add_development_dependency('mocha', '~> 0.13.0')
   s.add_development_dependency('org-ruby', '~> 0.7.2')
-  s.add_development_dependency('shoulda', '~> 3.3.1')
+  s.add_development_dependency('shoulda', '~> 3.3.2')
   s.add_development_dependency('rack-test', '~> 0.6.2')
   s.add_development_dependency('wikicloth', '~> 0.8.0')
-  s.add_development_dependency('rake', '~> 0.9')
+  s.add_development_dependency('rake', '~> 10.0.2')
   s.add_development_dependency('pry', '~> 0.9.10')
   # required by pry
   s.add_development_dependency('rb-readline', '~> 0.4.2')