diff --git a/lib/minitest/ci.rb b/lib/minitest/ci.rb
index ef94774..190b4c5 100644
--- a/lib/minitest/ci.rb
+++ b/lib/minitest/ci.rb
@@ -18,10 +18,12 @@ class << self
       # Clean the report_dir between test runs? (defaults to true)
 
       attr_accessor :clean
+      attr_accessor :working_dir
     end
 
     self.report_dir = 'test/reports'
     self.clean      = true
+    self.working_dir = Dir.pwd
 
     attr_accessor :io
     attr_accessor :options
@@ -81,6 +83,7 @@ def generate_results name, results
         end
       end
 
+      base = self.class.working_dir + '/'
       xml = []
 
       xml << '<?xml version="1.0" encoding="UTF-8"?>'
@@ -88,8 +91,8 @@ def generate_results name, results
         [total_time, skips, failures, errors, escape(name), assertions, results.count]
 
       results.each do |result|
-        xml << "  <testcase time='%6f' name=%p assertions='%s'>" %
-          [result.time, escape(result.name), result.assertions]
+        xml << "  <testcase time='%6f' file=%p name=%p assertions='%s'>" %
+          [result.time, escape(result.method(result.name).source_location[0].gsub(base, '')), escape(result.name), result.assertions]
         if failure = result.failure
           label = failure.result_label.downcase
 
diff --git a/minitest_ci.gemspec b/minitest_ci.gemspec
new file mode 100644
index 0000000..877a1e6
--- /dev/null
+++ b/minitest_ci.gemspec
@@ -0,0 +1,21 @@
+# -*- encoding: utf-8 -*-
+
+Gem::Specification.new do |s|
+  s.name        = "minitest-ci"
+  s.version     = "3.0.4.pre"
+  s.licenses    = ['MIT']
+  s.platform    = Gem::Platform::RUBY
+  s.author      = "bhenderson"
+  s.email       = "henderson.bj@gmail.com"
+  s.homepage    = "https://github.com/bhenderson/minitest-ci"
+  s.summary     = "Minitest JUnit XML formatter"
+  s.description = "Minitest Junit XML results that Hudson can read."
+
+  s.required_rubygems_version = ">= 1.3.6"
+
+  s.add_dependency "minitest", '>= 5.0.6', '~> 5.0'
+
+  s.files        = Dir["lib/**/*"] + %w[README.txt]
+  s.require_path = "lib"
+end
+