diff --git a/jasmine-headless-webkit.gemspec b/jasmine-headless-webkit.gemspec
index 56d70af..72077d4 100644
--- a/jasmine-headless-webkit.gemspec
+++ b/jasmine-headless-webkit.gemspec
@@ -19,6 +19,7 @@ Gem::Specification.new do |s|
   s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
+  s.required_rubygems_version = ">= 1.8.0"
 
   s.add_runtime_dependency 'jasmine-core', '~> 1.1'
   s.add_runtime_dependency 'coffee-script'
diff --git a/lib/jasmine/headless/files_list.rb b/lib/jasmine/headless/files_list.rb
index caac47f..31be62c 100644
--- a/lib/jasmine/headless/files_list.rb
+++ b/lib/jasmine/headless/files_list.rb
@@ -4,6 +4,7 @@ require 'multi_json'
 require 'set'
 require 'sprockets'
 require 'sprockets/engines'
+require 'rubygems'
 
 module Jasmine::Headless
   class FilesList
@@ -13,10 +14,6 @@ module Jasmine::Headless
       def asset_paths
         return @asset_paths if @asset_paths
 
-        require 'rubygems'
-
-        raise StandardError.new("A newer version of Rubygems is required to use vendored assets. Please upgrade.") if !Gem::Specification.respond_to?(:each)
-
         @asset_paths = []
 
         Gem::Specification.each { |gemspec| @asset_paths += get_paths_from_gemspec(gemspec) }