diff --git a/test/test_cleaner.rb b/test/test_cleaner.rb
index 74e59507..fb36f59f 100644
--- a/test/test_cleaner.rb
+++ b/test/test_cleaner.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestCleaner < Test::Unit::TestCase
+class TestCleaner < Minitest::Test
   context "directory in keep_files" do
     setup do
       clear_dest
diff --git a/test/test_coffeescript.rb b/test/test_coffeescript.rb
index 49b838a1..e62fbc0c 100644
--- a/test/test_coffeescript.rb
+++ b/test/test_coffeescript.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestCoffeeScript < Test::Unit::TestCase
+class TestCoffeeScript < Minitest::Test
   context "converting CoffeeScript" do
     setup do
       External.require_with_graceful_fail('jekyll-coffeescript')
diff --git a/test/test_collections.rb b/test/test_collections.rb
index a119de5f..cdfc8ad4 100644
--- a/test/test_collections.rb
+++ b/test/test_collections.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestCollections < Test::Unit::TestCase
+class TestCollections < Minitest::Test
   context "an evil collection" do
     setup do
       @collection = Jekyll::Collection.new(fixture_site, "../../etc/password")
@@ -114,7 +114,7 @@ class TestCollections < Test::Unit::TestCase
 
     should "create a Hash on Site with the label mapped to the instance of the Collection" do
       assert @site.collections.is_a?(Hash)
-      assert_not_nil @site.collections["methods"]
+      refute_nil @site.collections["methods"]
       assert @site.collections["methods"].is_a? Jekyll::Collection
     end
 
@@ -135,16 +135,16 @@ class TestCollections < Test::Unit::TestCase
     end
 
     should "not include files which start with an underscore in the base collection directory" do
-      assert_not_include @collection.filtered_entries, "_do_not_read_me.md"
+      refute_include @collection.filtered_entries, "_do_not_read_me.md"
     end
 
     should "not include files which start with an underscore in a subdirectory" do
-      assert_not_include @collection.filtered_entries, "site/_dont_include_me_either.md"
+      refute_include @collection.filtered_entries, "site/_dont_include_me_either.md"
     end
 
     should "not include the underscored files in the list of docs" do
-      assert_not_include @collection.docs.map(&:relative_path), "_methods/_do_not_read_me.md"
-      assert_not_include @collection.docs.map(&:relative_path), "_methods/site/_dont_include_me_either.md"
+      refute_include @collection.docs.map(&:relative_path), "_methods/_do_not_read_me.md"
+      refute_include @collection.docs.map(&:relative_path), "_methods/site/_dont_include_me_either.md"
     end
   end
 
@@ -178,12 +178,12 @@ class TestCollections < Test::Unit::TestCase
     end
 
     should "not allow symlinks" do
-      assert_not_include @collection.filtered_entries, "um_hi.md"
-      assert_not_include @collection.filtered_entries, "/um_hi.md"
+      refute_include @collection.filtered_entries, "um_hi.md"
+      refute_include @collection.filtered_entries, "/um_hi.md"
     end
 
     should "not include the symlinked file in the list of docs" do
-      assert_not_include @collection.docs.map(&:relative_path), "_methods/um_hi.md"
+      refute_include @collection.docs.map(&:relative_path), "_methods/um_hi.md"
     end
   end
 
@@ -198,7 +198,7 @@ class TestCollections < Test::Unit::TestCase
     end
 
     should "exist" do
-      assert_not_nil @collection
+      refute_nil @collection
     end
 
     should "contain one document" do
diff --git a/test/test_command.rb b/test/test_command.rb
index 10ecccc4..3f9d06fb 100644
--- a/test/test_command.rb
+++ b/test/test_command.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestCommand < Test::Unit::TestCase
+class TestCommand < Minitest::Test
   context "when calling .add_build_options" do
     should "add common options" do
       cmd = Object.new
@@ -13,8 +13,8 @@ class TestCommand < Test::Unit::TestCase
       should "exit with non-zero error code" do
         site = Object.new
         stub(site).process { raise Jekyll::Errors::FatalException }
-        error = assert_raise(SystemExit) { Command.process_site(site) }
-        assert_not_equal 0, error.status
+        error = assert_raises(SystemExit) { Command.process_site(site) }
+        refute_equal 0, error.status
       end
     end
   end
diff --git a/test/test_configuration.rb b/test/test_configuration.rb
index fffbc2db..e03cb901 100644
--- a/test/test_configuration.rb
+++ b/test/test_configuration.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestConfiguration < Test::Unit::TestCase
+class TestConfiguration < Minitest::Test
   context "#stringify_keys" do
     setup do
       @mixed_keys = Configuration[{
diff --git a/test/test_convertible.rb b/test/test_convertible.rb
index 6482ad90..b8e809b4 100644
--- a/test/test_convertible.rb
+++ b/test/test_convertible.rb
@@ -1,7 +1,7 @@
 require 'helper'
 require 'ostruct'
 
-class TestConvertible < Test::Unit::TestCase
+class TestConvertible < Minitest::Test
   context "yaml front-matter" do
     setup do
       @convertible = OpenStruct.new(
@@ -37,7 +37,7 @@ class TestConvertible < Test::Unit::TestCase
       out = capture_stderr do
         @convertible.read_yaml(@base, 'exploit_front_matter.erb')
       end
-      assert_no_match /undefined class\/module DoesNotExist/, out
+      refute_match /undefined class\/module DoesNotExist/, out
     end
 
     should "not parse if there is encoding error in file" do
diff --git a/test/test_document.rb b/test/test_document.rb
index aa4e2fa9..59044a94 100644
--- a/test/test_document.rb
+++ b/test/test_document.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestDocument < Test::Unit::TestCase
+class TestDocument < Minitest::Test
 
   context "a document in a collection" do
     setup do
@@ -283,7 +283,7 @@ class TestDocument < Test::Unit::TestCase
 
     context "without output overrides" do
       should "be output according to collection defaults" do
-        assert_not_nil @files.find { |doc| doc.relative_path == "_slides/example-slide-4.html" }
+        refute_nil @files.find { |doc| doc.relative_path == "_slides/example-slide-4.html" }
       end
     end
 
diff --git a/test/test_draft.rb b/test/test_draft.rb
index 5843665b..127060c1 100644
--- a/test/test_draft.rb
+++ b/test/test_draft.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestDraft < Test::Unit::TestCase
+class TestDraft < Minitest::Test
   def setup_draft(file)
     Draft.new(@site, source_dir, '', file)
   end
diff --git a/test/test_entry_filter.rb b/test/test_entry_filter.rb
index 5c5711cb..d31266b6 100644
--- a/test/test_entry_filter.rb
+++ b/test/test_entry_filter.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestEntryFilter < Test::Unit::TestCase
+class TestEntryFilter < Minitest::Test
   context "Filtering entries" do
     setup do
       @site = Site.new(site_configuration)
@@ -71,8 +71,8 @@ class TestEntryFilter < Test::Unit::TestCase
       site = Site.new(site_configuration)
 
       site.read_directories("symlink-test")
-      assert_not_equal [], site.pages
-      assert_not_equal [], site.static_files
+      refute_equal [], site.pages
+      refute_equal [], site.static_files
     end
   end
 
diff --git a/test/test_excerpt.rb b/test/test_excerpt.rb
index c9a0fdc7..3ab31f91 100644
--- a/test/test_excerpt.rb
+++ b/test/test_excerpt.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestExcerpt < Test::Unit::TestCase
+class TestExcerpt < Minitest::Test
   def setup_post(file)
     Post.new(@site, source_dir, '', file)
   end
diff --git a/test/test_filters.rb b/test/test_filters.rb
index cb44b65b..65d53357 100644
--- a/test/test_filters.rb
+++ b/test/test_filters.rb
@@ -2,7 +2,7 @@
 
 require 'helper'
 
-class TestFilters < Test::Unit::TestCase
+class TestFilters < Minitest::Test
   class JekyllFilter
     include Jekyll::Filters
     attr_accessor :site, :context
diff --git a/test/test_front_matter_defaults.rb b/test/test_front_matter_defaults.rb
index 2c793095..2bfd34c6 100644
--- a/test/test_front_matter_defaults.rb
+++ b/test/test_front_matter_defaults.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestFrontMatterDefaults < Test::Unit::TestCase
+class TestFrontMatterDefaults < Minitest::Test
 
   context "A site with full front matter defaults" do
     setup do
diff --git a/test/test_generated_site.rb b/test/test_generated_site.rb
index d3fbc887..40bcd8c1 100644
--- a/test/test_generated_site.rb
+++ b/test/test_generated_site.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestGeneratedSite < Test::Unit::TestCase
+class TestGeneratedSite < Minitest::Test
   context "generated sites" do
     setup do
       clear_dest
@@ -73,7 +73,7 @@ OUTPUT
     end
 
     should "ensure limit posts is 0 or more" do
-      assert_raise ArgumentError do
+      assert_raises ArgumentError do
         clear_dest
         stub(Jekyll).configuration do
           Jekyll::Configuration::DEFAULTS.merge({'source' => source_dir, 'destination' => dest_dir, 'limit_posts' => -1})
@@ -84,7 +84,7 @@ OUTPUT
     end
 
     should "acceptable limit post is 0" do
-      assert_nothing_raised ArgumentError do
+      refute_raises ArgumentError do
         clear_dest
         stub(Jekyll).configuration do
           Jekyll::Configuration::DEFAULTS.merge({'source' => source_dir, 'destination' => dest_dir, 'limit_posts' => 0})
diff --git a/test/test_kramdown.rb b/test/test_kramdown.rb
index 3998e9d3..a2954403 100644
--- a/test/test_kramdown.rb
+++ b/test/test_kramdown.rb
@@ -2,7 +2,7 @@
 
 require 'helper'
 
-class TestKramdown < Test::Unit::TestCase
+class TestKramdown < Minitest::Test
   context "kramdown" do
     setup do
       @config = {
diff --git a/test/test_layout_reader.rb b/test/test_layout_reader.rb
index ff979c2b..cd658739 100644
--- a/test/test_layout_reader.rb
+++ b/test/test_layout_reader.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestLayoutReader < Test::Unit::TestCase
+class TestLayoutReader < Minitest::Test
   context "reading layouts" do
     setup do
       stub(Jekyll).configuration do
diff --git a/test/test_liquid_extensions.rb b/test/test_liquid_extensions.rb
index 2395a8de..dec13ef6 100644
--- a/test/test_liquid_extensions.rb
+++ b/test/test_liquid_extensions.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestLiquidExtensions < Test::Unit::TestCase
+class TestLiquidExtensions < Minitest::Test
 
   context "looking up a variable in a Liquid context" do
     class SayHi < Liquid::Tag
diff --git a/test/test_log_adapter.rb b/test/test_log_adapter.rb
index 71272569..ad006e1d 100644
--- a/test/test_log_adapter.rb
+++ b/test/test_log_adapter.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestLogAdapter < Test::Unit::TestCase
+class TestLogAdapter < Minitest::Test
   class LoggerDouble
     attr_accessor :level
 
@@ -58,7 +58,7 @@ class TestLogAdapter < Test::Unit::TestCase
     should "call #error and abort" do
       logger = Jekyll::LogAdapter.new(LoggerDouble.new)
       stub(logger).error('topic', 'log message') { true }
-      assert_raise(SystemExit) { logger.abort_with('topic', 'log message') }
+      assert_raises(SystemExit) { logger.abort_with('topic', 'log message') }
     end
   end
 
diff --git a/test/test_new_command.rb b/test/test_new_command.rb
index 544a10c4..6fffb49f 100644
--- a/test/test_new_command.rb
+++ b/test/test_new_command.rb
@@ -1,7 +1,7 @@
 require 'helper'
 require 'jekyll/commands/new'
 
-class TestNewCommand < Test::Unit::TestCase
+class TestNewCommand < Minitest::Test
   def dir_contents(path)
     Dir["#{path}/**/*"].each do |file|
       file.gsub! path, ''
@@ -79,7 +79,7 @@ class TestNewCommand < Test::Unit::TestCase
 
     should 'force created folder' do
       capture_stdout { Jekyll::Commands::New.process(@args) }
-      assert_nothing_raised(SystemExit) do
+      refute_raises(SystemExit) do
         capture_stdout {Jekyll::Commands::New.process(@args, '--force') }
       end
     end
@@ -108,7 +108,7 @@ class TestNewCommand < Test::Unit::TestCase
     end
 
     should 'raise an ArgumentError' do
-      exception = assert_raise ArgumentError do
+      exception = assert_raises ArgumentError do
         Jekyll::Commands::New.process(@empty_args)
       end
       assert_equal 'You must specify a path.', exception.message
diff --git a/test/test_page.rb b/test/test_page.rb
index 20ed3198..2b5fbbc0 100644
--- a/test/test_page.rb
+++ b/test/test_page.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestPage < Test::Unit::TestCase
+class TestPage < Minitest::Test
   def setup_page(*args)
     dir, file = args
     dir, file = ['', dir] if file.nil?
diff --git a/test/test_path_sanitization.rb b/test/test_path_sanitization.rb
index fa10e876..bb5a00be 100644
--- a/test/test_path_sanitization.rb
+++ b/test/test_path_sanitization.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestPathSanitization < Test::Unit::TestCase
+class TestPathSanitization < Minitest::Test
   context "on Windows with absolute source" do
     setup do
       @source = "C:/Users/xmr/Desktop/mpc-hc.org"
diff --git a/test/test_plugin_manager.rb b/test/test_plugin_manager.rb
index 0d12a254..c4a52889 100644
--- a/test/test_plugin_manager.rb
+++ b/test/test_plugin_manager.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestPluginManager < Test::Unit::TestCase
+class TestPluginManager < Minitest::Test
   def with_no_gemfile
     FileUtils.mv "Gemfile", "Gemfile.old"
     yield
diff --git a/test/test_post.rb b/test/test_post.rb
index 63684241..124f0a85 100644
--- a/test/test_post.rb
+++ b/test/test_post.rb
@@ -2,7 +2,7 @@
 
 require 'helper'
 
-class TestPost < Test::Unit::TestCase
+class TestPost < Minitest::Test
   def setup_post(file)
     Post.new(@site, source_dir, '', file)
   end
@@ -103,7 +103,7 @@ class TestPost < Test::Unit::TestCase
       end
 
       should "raise a good error on invalid post date" do
-        assert_raise Jekyll::Errors::FatalException do
+        assert_raises Jekyll::Errors::FatalException do
           @post.process("2009-27-03-foo-bar.textile")
         end
       end
diff --git a/test/test_rdiscount.rb b/test/test_rdiscount.rb
index da9401cf..5eade6b5 100644
--- a/test/test_rdiscount.rb
+++ b/test/test_rdiscount.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestRdiscount < Test::Unit::TestCase
+class TestRdiscount < Minitest::Test
 
   context "rdiscount" do
     setup do
diff --git a/test/test_redcarpet.rb b/test/test_redcarpet.rb
index ebf3b187..ff4585f8 100644
--- a/test/test_redcarpet.rb
+++ b/test/test_redcarpet.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestRedcarpet < Test::Unit::TestCase
+class TestRedcarpet < Minitest::Test
   context "redcarpet" do
     setup do
       @config = {
diff --git a/test/test_regenerator.rb b/test/test_regenerator.rb
index 63ac3bd0..feb5c647 100644
--- a/test/test_regenerator.rb
+++ b/test/test_regenerator.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestRegenerator < Test::Unit::TestCase
+class TestRegenerator < Minitest::Test
   context "The site regenerator" do
     setup do
       FileUtils.rm_rf(source_dir(".jekyll-metadata"))
@@ -162,7 +162,7 @@ class TestRegenerator < Test::Unit::TestCase
       @regenerator.write_metadata
       @regenerator = Regenerator.new(@site)
 
-      assert_not_same File.mtime(@path), @regenerator.metadata[@path]["mtime"]
+      refute_same File.mtime(@path), @regenerator.metadata[@path]["mtime"]
       assert @regenerator.modified?(@path)
     end
 
diff --git a/test/test_related_posts.rb b/test/test_related_posts.rb
index 054ef9ae..73a8a1ca 100644
--- a/test/test_related_posts.rb
+++ b/test/test_related_posts.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestRelatedPosts < Test::Unit::TestCase
+class TestRelatedPosts < Minitest::Test
   context "building related posts without lsi" do
     setup do
       stub(Jekyll).configuration do
diff --git a/test/test_sass.rb b/test/test_sass.rb
index 50d174ba..867b2dcc 100644
--- a/test/test_sass.rb
+++ b/test/test_sass.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestSass < Test::Unit::TestCase
+class TestSass < Minitest::Test
   context "importing partials" do
     setup do
       @site = Jekyll::Site.new(Jekyll.configuration({
diff --git a/test/test_site.rb b/test/test_site.rb
index 409392fd..a1a24e60 100644
--- a/test/test_site.rb
+++ b/test/test_site.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestSite < Test::Unit::TestCase
+class TestSite < Minitest::Test
   context "configuring sites" do
     should "have an array for plugins by default" do
       site = Site.new(Jekyll::Configuration::DEFAULTS)
@@ -71,7 +71,7 @@ class TestSite < Test::Unit::TestCase
       @site = Site.new(site_configuration)
       @site.read
       @site.generate
-      assert_not_equal 0, @site.pages.size
+      refute_equal 0, @site.pages.size
       assert_equal 'hi', @site.file_read_opts[:secret_message]
     end
 
@@ -118,7 +118,7 @@ class TestSite < Test::Unit::TestCase
       sleep 1
       @site.process
       mtime3 = File.stat(dest).mtime.to_i
-      assert_not_equal mtime2, mtime3 # must be regenerated!
+      refute_equal mtime2, mtime3 # must be regenerated!
 
       sleep 1
       @site.process
@@ -228,13 +228,13 @@ class TestSite < Test::Unit::TestCase
 
     context 'error handling' do
       should "raise if destination is included in source" do
-        assert_raise Jekyll::Errors::FatalException do
+        assert_raises Jekyll::Errors::FatalException do
           site = Site.new(site_configuration('destination' => source_dir))
         end
       end
 
       should "raise if destination is source" do
-        assert_raise Jekyll::Errors::FatalException do
+        assert_raises Jekyll::Errors::FatalException do
           site = Site.new(site_configuration('destination' => File.join(source_dir, "..")))
         end
       end
@@ -309,7 +309,7 @@ class TestSite < Test::Unit::TestCase
 
         custom_processor = "CustomMarkdown"
         s = Site.new(site_configuration('markdown' => custom_processor))
-        assert_nothing_raised do
+        refute_raises do
           s.process
         end
 
@@ -332,7 +332,7 @@ class TestSite < Test::Unit::TestCase
 
         bad_processor = "Custom::Markdown"
         s = Site.new(site_configuration('markdown' => bad_processor, 'full_rebuild' => true))
-        assert_raise Jekyll::Errors::FatalException do
+        assert_raises Jekyll::Errors::FatalException do
           s.process
         end
 
@@ -344,7 +344,7 @@ class TestSite < Test::Unit::TestCase
     context 'with an invalid markdown processor in the configuration' do
       should 'not throw an error at initialization time' do
         bad_processor = 'not a processor name'
-        assert_nothing_raised do
+        refute_raises do
           Site.new(site_configuration('markdown' => bad_processor))
         end
       end
@@ -352,7 +352,7 @@ class TestSite < Test::Unit::TestCase
       should 'throw FatalException at process time' do
         bad_processor = 'not a processor name'
         s = Site.new(site_configuration('markdown' => bad_processor, 'full_rebuild' => true))
-        assert_raise Jekyll::Errors::FatalException do
+        assert_raises Jekyll::Errors::FatalException do
           s.process
         end
       end
diff --git a/test/test_tags.rb b/test/test_tags.rb
index 931c3830..883a6af6 100644
--- a/test/test_tags.rb
+++ b/test/test_tags.rb
@@ -2,7 +2,7 @@
 
 require 'helper'
 
-class TestTags < Test::Unit::TestCase
+class TestTags < Minitest::Test
 
   def create_post(content, override = {}, converter_class = Jekyll::Converters::Markdown)
     stub(Jekyll).configuration do
@@ -56,7 +56,7 @@ CONTENT
       assert_match r, "x.y"
       assert_match r, "coffee-script"
 
-      assert_no_match r, "blah^"
+      refute_match r, "blah^"
 
       assert_match r, "ruby key=val"
       assert_match r, "ruby a=b c=d"
@@ -143,7 +143,7 @@ CONTENT
       end
 
       should "not cause a markdown error" do
-        assert_no_match /markdown\-html\-error/, @result
+        refute_match /markdown\-html\-error/, @result
       end
 
       should "render markdown with pygments" do
@@ -410,7 +410,7 @@ CONTENT
     end
 
     should "not cause an error" do
-      assert_no_match /markdown\-html\-error/, @result
+      refute_match /markdown\-html\-error/, @result
     end
 
     should "have the url to the \"complex\" post from 2008-11-21" do
@@ -434,7 +434,7 @@ CONTENT
     end
 
     should "not cause an error" do
-      assert_no_match /markdown\-html\-error/, @result
+      refute_match /markdown\-html\-error/, @result
     end
 
     should "have the url to the \"complex\" post from 2008-11-21" do
@@ -458,7 +458,7 @@ title: Invalid post name linking
 {% post_url abc2008-11-21-complex %}
 CONTENT
 
-      assert_raise ArgumentError do
+      assert_raises ArgumentError do
         create_post(content, {'permalink' => 'pretty', 'source' => source_dir, 'destination' => dest_dir, 'read_posts' => true})
       end
     end
@@ -470,7 +470,7 @@ CONTENT
 
       should "not allow symlink includes" do
         File.open("tmp/pages-test", 'w') { |file| file.write("SYMLINK TEST") }
-        assert_raise IOError do
+        assert_raises IOError do
           content = <<CONTENT
 ---
 title: Include symlink
@@ -481,11 +481,11 @@ title: Include symlink
 CONTENT
           create_post(content, {'permalink' => 'pretty', 'source' => source_dir, 'destination' => dest_dir, 'read_posts' => true, 'safe' => true })
         end
-        assert_no_match /SYMLINK TEST/, @result
+        refute_match /SYMLINK TEST/, @result
       end
 
       should "not expose the existence of symlinked files" do
-        ex = assert_raise IOError do
+        ex = assert_raises IOError do
           content = <<CONTENT
 ---
 title: Include symlink
@@ -532,7 +532,7 @@ title: Invalid parameter syntax
 
 {% include params.html param s="value" %}
 CONTENT
-        assert_raise ArgumentError, 'Did not raise exception on invalid "include" syntax' do
+        assert_raises ArgumentError, 'Did not raise exception on invalid "include" syntax' do
           create_post(content, {'permalink' => 'pretty', 'source' => source_dir, 'destination' => dest_dir, 'read_posts' => true})
         end
 
@@ -543,7 +543,7 @@ title: Invalid parameter syntax
 
 {% include params.html params="value %}
 CONTENT
-        assert_raise ArgumentError, 'Did not raise exception on invalid "include" syntax' do
+        assert_raises ArgumentError, 'Did not raise exception on invalid "include" syntax' do
           create_post(content, {'permalink' => 'pretty', 'source' => source_dir, 'destination' => dest_dir, 'read_posts' => true})
         end
       end
@@ -636,7 +636,7 @@ CONTENT
       end
 
       should "raise error relative to source directory" do
-        exception = assert_raise IOError do
+        exception = assert_raises IOError do
           create_post(@content, {'permalink' => 'pretty', 'source' => source_dir, 'destination' => dest_dir, 'read_posts' => true})
         end
         assert_equal 'Included file \'_includes/missing.html\' not found', exception.message
@@ -730,7 +730,7 @@ CONTENT
         end
 
         should "raise error relative to source directory" do
-          exception = assert_raise IOError do
+          exception = assert_raises IOError do
             create_post(@content, {'permalink' => 'pretty', 'source' => source_dir, 'destination' => dest_dir, 'read_posts' => true})
           end
           assert_equal 'Included file \'./missing.html\' not found', exception.message
@@ -749,7 +749,7 @@ CONTENT
         end
 
         should "raise error relative to source directory" do
-          exception = assert_raise ArgumentError do
+          exception = assert_raises ArgumentError do
             create_post(@content, {'permalink' => 'pretty', 'source' => source_dir, 'destination' => dest_dir, 'read_posts' => true})
           end
           assert_equal "Invalid syntax for include tag. File contains invalid characters or sequences:\n\n  ../README.markdown\n\nValid syntax:\n\n  {% include_relative file.ext param='value' param2='value' %}\n\n", exception.message
@@ -761,7 +761,7 @@ CONTENT
 
       should "not allow symlink includes" do
         File.open("tmp/pages-test", 'w') { |file| file.write("SYMLINK TEST") }
-        assert_raise IOError do
+        assert_raises IOError do
           content = <<CONTENT
 ---
 title: Include symlink
@@ -772,11 +772,11 @@ title: Include symlink
 CONTENT
           create_post(content, {'permalink' => 'pretty', 'source' => source_dir, 'destination' => dest_dir, 'read_posts' => true, 'safe' => true })
         end
-        assert_no_match /SYMLINK TEST/, @result
+        refute_match /SYMLINK TEST/, @result
       end
 
       should "not expose the existence of symlinked files" do
-        ex = assert_raise IOError do
+        ex = assert_raises IOError do
           content = <<CONTENT
 ---
 title: Include symlink
diff --git a/test/test_url.rb b/test/test_url.rb
index b66e2f86..462ee0b7 100644
--- a/test/test_url.rb
+++ b/test/test_url.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestURL < Test::Unit::TestCase
+class TestURL < Minitest::Test
   context "The URL class" do
 
     should "throw an exception if neither permalink or template is specified" do
diff --git a/test/test_utils.rb b/test/test_utils.rb
index 594281eb..50d8d17b 100644
--- a/test/test_utils.rb
+++ b/test/test_utils.rb
@@ -1,6 +1,6 @@
 require 'helper'
 
-class TestUtils < Test::Unit::TestCase
+class TestUtils < Minitest::Test
   context "hash" do
 
     context "pluralized_array" do
@@ -70,20 +70,20 @@ class TestUtils < Test::Unit::TestCase
     end
 
     should "throw an error if the input contains no date data" do
-      assert_raise Jekyll::Errors::FatalException do
+      assert_raises Jekyll::Errors::FatalException do
         Utils.parse_date("Blah")
       end
     end
 
     should "throw an error if the input is out of range" do
-      assert_raise Jekyll::Errors::FatalException do
+      assert_raises Jekyll::Errors::FatalException do
         Utils.parse_date("9999-99-99")
       end
     end
 
     should "throw an error with the default message if no message is passed in" do
       date = "Blah this is invalid"
-      assert_raise Jekyll::Errors::FatalException, "Invalid date '#{date}': Input could not be parsed." do
+      assert_raises Jekyll::Errors::FatalException, "Invalid date '#{date}': Input could not be parsed." do
         Utils.parse_date(date)
       end
     end
@@ -91,7 +91,7 @@ class TestUtils < Test::Unit::TestCase
     should "throw an error with the provided message if a message is passed in" do
       date = "Blah this is invalid"
       message = "Aaaah, the world has exploded!"
-      assert_raise Jekyll::Errors::FatalException, "Invalid date '#{date}': #{message}" do
+      assert_raises Jekyll::Errors::FatalException, "Invalid date '#{date}': #{message}" do
         Utils.parse_date(date, message)
       end
     end