diff --git a/lib/jasmine/headless.rb b/lib/jasmine/headless.rb
index 4bf9cbc..ff6e652 100644
--- a/lib/jasmine/headless.rb
+++ b/lib/jasmine/headless.rb
@@ -32,3 +32,4 @@ module Jasmine::Headless
 end
 
 require 'jasmine/headless/errors'
+
diff --git a/lib/jasmine/headless/files_list.rb b/lib/jasmine/headless/files_list.rb
index a0fb58f..7887713 100644
--- a/lib/jasmine/headless/files_list.rb
+++ b/lib/jasmine/headless/files_list.rb
@@ -62,6 +62,8 @@ module Jasmine::Headless
     def initialize(options = {})
       @options = options
 
+      srand(@options[:seed]) if @options[:seed]
+
       @required_files = UniqueAssetList.new
       @potential_files_to_filter = []
 
diff --git a/lib/jasmine/headless/options.rb b/lib/jasmine/headless/options.rb
index e3d6aca..5252725 100644
--- a/lib/jasmine/headless/options.rb
+++ b/lib/jasmine/headless/options.rb
@@ -17,6 +17,7 @@ module Jasmine
         :do_list => false,
         :full_run => true,
         :enable_cache => true,
+        :seed => rand(10000),
         :files => []
       }
 
@@ -60,6 +61,8 @@ module Jasmine
           @options[:full_run] = false
         when '--list', '-l'
           @options[:do_list] = true
+        when '--seed'
+          @options[:seed] = arg.to_i
         end
       end
 
@@ -82,7 +85,8 @@ module Jasmine
           [ '--report', GetoptLong::REQUIRED_ARGUMENT ],
           [ '--jasmine-config', '-j', GetoptLong::REQUIRED_ARGUMENT ],
           [ '--no-full-run', GetoptLong::NO_ARGUMENT ],
-          [ '--list', '-l', GetoptLong::NO_ARGUMENT ]
+          [ '--list', '-l', GetoptLong::NO_ARGUMENT ],
+          [ '--seed', GetoptLong::REQUIRED_ARGUMENT ]
         )
 
         command_line_args.each { |*args| process_option(*args) }
diff --git a/lib/jasmine/headless/runner.rb b/lib/jasmine/headless/runner.rb
index 33de5c9..df95b89 100644
--- a/lib/jasmine/headless/runner.rb
+++ b/lib/jasmine/headless/runner.rb
@@ -73,7 +73,8 @@ module Jasmine
 
         files_list = Jasmine::Headless::FilesList.new(
           :config => jasmine_config,
-          :only => @options[:files]
+          :only => @options[:files],
+          :seed => @options[:seed]
         )
 
         @_targets = template_writer.write!(files_list)
@@ -81,6 +82,9 @@ module Jasmine
         run_targets.pop if (!@options[:full_run] && files_list.filtered?) || files_list.has_spec_outside_scope?
 
         system jasmine_command(run_targets)
+
+        puts "\nTest ordering seed: --seed #{@options[:seed]}"
+
         @_status = $?.exitstatus
       ensure
         if @_targets && !runner_filename && (@options[:remove_html_file] || (@_status == 0))
diff --git a/spec/integration/randomization_spec.rb b/spec/integration/randomization_spec.rb
new file mode 100644
index 0000000..052752a
--- /dev/null
+++ b/spec/integration/randomization_spec.rb
@@ -0,0 +1,13 @@
+require 'spec_helper'
+
+describe 'sprockets' do
+  let(:seed) { 100 }
+
+  it 'should randomize the run order' do
+    output = %x{bin/jasmine-headless-webkit -j spec/jasmine/success/success.yml --seed #{seed}}
+    $?.exitstatus.should == 0
+
+    output.should include("--seed #{seed}")
+  end
+end
+
diff --git a/spec/lib/jasmine/headless/files_list_spec.rb b/spec/lib/jasmine/headless/files_list_spec.rb
index dcd9bfc..0a8f9e5 100644
--- a/spec/lib/jasmine/headless/files_list_spec.rb
+++ b/spec/lib/jasmine/headless/files_list_spec.rb
@@ -177,13 +177,13 @@ describe Jasmine::Headless::FilesList do
   end
 
   describe '#add_files' do
+    let(:files_list) { described_class.new(:seed => 100) }
+
     no_default_files!
 
     let(:dir) { 'tmp' }
 
     before do
-      srand(100)
-
       FileUtils.mkdir_p dir
 
       10.times do |index|
diff --git a/spec/lib/jasmine/headless/options_spec.rb b/spec/lib/jasmine/headless/options_spec.rb
index 346bae3..237423d 100644
--- a/spec/lib/jasmine/headless/options_spec.rb
+++ b/spec/lib/jasmine/headless/options_spec.rb
@@ -92,6 +92,24 @@ describe Jasmine::Headless::Options do
       end
     end
 
+    context 'specify no seed' do
+      it 'should have a seed' do
+        options[:seed].should_not be_nil
+      end
+    end
+
+    context 'specify random order seed' do
+      let(:seed) { 12345 }
+
+      before do
+        ARGV.replace([ "--seed", seed ])
+      end
+
+      it 'should specify the seed' do
+        options[:seed].should == seed
+      end
+    end
+
     after do
       ARGV.replace(@argv)
     end
diff --git a/spec/lib/jasmine/headless_spec.rb b/spec/lib/jasmine/headless_spec.rb
new file mode 100644
index 0000000..51f5efc
--- /dev/null
+++ b/spec/lib/jasmine/headless_spec.rb
@@ -0,0 +1,2 @@
+require 'spec_helper'
+