diff --git a/Gemfile b/Gemfile
index 84fd12d..c92472d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -16,6 +16,7 @@ end
 
 group :test do
   gem 'html-proofer', '~> 3.0'
+  gem 'licensee'
   gem 'nokogiri'
   gem 'rake'
   gem 'rspec'
diff --git a/_licenses/ecl-2.0.txt b/_licenses/ecl-2.0.txt
index ccc9267..2b0be47 100644
--- a/_licenses/ecl-2.0.txt
+++ b/_licenses/ecl-2.0.txt
@@ -12,7 +12,7 @@ note: The Apereo Foundation recommends taking the additional step of adding a bo
 using:
   - Sakai: https://github.com/sakaiproject/sakai/blob/master/LICENSE
   - OAE: https://github.com/oaeproject/Hilary/blob/master/LICENSE
-  - Opencast: https://bitbucket.org/opencast-community/opencast/src/905077ba5e6483f8c49869a1fc13bf9268790a79/LICENSE?at=develop
+  - Opencast: https://bitbucket.org/opencast-community/opencast/src/905077ba5e6483f8c49869a1fc13bf9268790a79/LICENSE
 
 permissions:
   - commercial-use
diff --git a/_licenses/gpl-2.0.txt b/_licenses/gpl-2.0.txt
index 506fcea..6f0d042 100644
--- a/_licenses/gpl-2.0.txt
+++ b/_licenses/gpl-2.0.txt
@@ -13,8 +13,9 @@ how: Create a text file (typically named LICENSE or LICENSE.txt) in the root of
 note: The Free Software Foundation recommends taking the additional step of adding a boilerplate notice to the top of each file. The boilerplate can be found at the end of the license.
 
 using:
-  - Linux: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/COPYING
-  - WordPress: https://github.com/WordPress/WordPress/blob/master/license.txt
+  - AliSQL: https://github.com/alibaba/AliSQL/blob/master/COPYING
+  - Discourse: https://github.com/discourse/discourse/blob/master/LICENSE.txt
+  - Joomla!: https://github.com/joomla/joomla-cms/blob/staging/LICENSE.txt
 
 permissions:
   - commercial-use
diff --git a/_licenses/gpl-3.0.txt b/_licenses/gpl-3.0.txt
index a533d7f..6011db0 100644
--- a/_licenses/gpl-3.0.txt
+++ b/_licenses/gpl-3.0.txt
@@ -14,9 +14,9 @@ how: Create a text file (typically named LICENSE or LICENSE.txt) in the root of
 note: The Free Software Foundation recommends taking the additional step of adding a boilerplate notice to the top of each file. The boilerplate can be found at the end of the license.
 
 using:
+  - Ansible: https://github.com/ansible/ansible/blob/devel/COPYING
   - Bash: https://git.savannah.gnu.org/cgit/bash.git/tree/COPYING
   - GIMP: https://git.gnome.org/browse/gimp/tree/COPYING
-  - Privacy Badger: https://github.com/EFForg/privacybadgerfirefox/blob/master/LICENSE
 
 permissions:
   - commercial-use
diff --git a/_licenses/isc.txt b/_licenses/isc.txt
index 2d8f0e1..8e34275 100644
--- a/_licenses/isc.txt
+++ b/_licenses/isc.txt
@@ -8,7 +8,7 @@ description: A permissive license lets people do anything with your code with pr
 how: Create a text file (typically named LICENSE or LICENSE.txt) in the root of your source code and copy the text of the license into the file. Replace [year] with the current year and [fullname] with the name (or names) of the copyright holders.
 
 using:
-  - documentation.js: https://github.com/documentationjs/documentation/blob/master/LICENSE
+  - Helix: https://github.com/tildeio/helix/blob/master/LICENSE
   - Node.js semver: https://github.com/npm/node-semver/blob/master/LICENSE
   - OpenStreetMap iD: https://github.com/openstreetmap/iD/blob/master/LICENSE.md
 
diff --git a/_licenses/mit.txt b/_licenses/mit.txt
index 68784c8..5104ab2 100644
--- a/_licenses/mit.txt
+++ b/_licenses/mit.txt
@@ -10,9 +10,9 @@ description: A short and simple permissive license with conditions only requirin
 how: Create a text file (typically named LICENSE or LICENSE.txt) in the root of your source code and copy the text of the license into the file. Replace [year] with the current year and [fullname] with the name (or names) of the copyright holders.
 
 using:
-  - jQuery: https://github.com/jquery/jquery/blob/master/LICENSE.txt
+  - Babel: https://github.com/babel/babel/blob/master/LICENSE
   - .NET Core: https://github.com/dotnet/corefx/blob/master/LICENSE.TXT
-  - Rails: https://github.com/rails/rails/blob/master/activerecord/MIT-LICENSE
+  - Rails: https://github.com/rails/rails/blob/master/MIT-LICENSE
 
 permissions:
   - commercial-use
diff --git a/spec/license_meta_spec.rb b/spec/license_meta_spec.rb
index b705913..37a123e 100644
--- a/spec/license_meta_spec.rb
+++ b/spec/license_meta_spec.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
+require 'licensee'
 require 'spec_helper'
 
 describe 'license meta' do
@@ -19,6 +20,8 @@ describe 'license meta' do
         expect(missing).to be_empty
       end
 
+      examples = raw_fields['using'] || []
+
       it 'using contains 3 examples' do
         legacy = [
           'afl-3.0',
@@ -32,7 +35,6 @@ describe 'license meta' do
           'cc-by-4.0',
           'cc-by-sa-4.0',
           'eupl-1.1',
-          'gpl-2.0',
           'lgpl-2.1',
           'lgpl-3.0',
           'lppl-1.3c',
@@ -43,9 +45,45 @@ describe 'license meta' do
           'zlib'
         ]
         skip 'added before 3 using examples required' if legacy.include?(license['slug'])
-        examples = raw_fields['using'] || []
         expect(examples.length).to eq(3)
       end
+
+      context 'licensee detects using examples' do
+        module Licensee
+          class License
+            class << self
+              def license_dir
+                dir = ::File.dirname(__FILE__)
+                ::File.expand_path '../_licenses', dir
+              end
+            end
+          end
+        end
+
+        slug = license['slug']
+
+        examples.each do |example|
+          example_url = example.values[0]
+
+          context "the #{example_url} URL" do
+            let(:content)  { open(example_url).read }
+            let(:detected) { Licensee::ProjectFiles::LicenseFile.new(content, 'LICENSE').license }
+
+            if example_url.start_with?('https://github.com/')
+              example_url.gsub!(%r{\Ahttps://github.com/([\w-]+/[\w-]+)/blob/([\w-]+/\S+)\z}, 'https://raw.githubusercontent.com/\1/\2')
+            elsif example_url.start_with?('https://git.savannah.gnu.org/', 'https://git.gnome.org/')
+              example_url.gsub!(%r{/tree/}, '/plain/')
+            elsif example_url.start_with?('https://bitbucket.org/')
+              example_url.gsub!(%r{/src/}, '/raw/')
+            end
+
+            it "is a #{slug} license" do
+              skip 'NCSA and PostgreSQL licenses hard to detect' if %(ncsa postgresql).include?(slug)
+              expect(detected.key).to eq(slug)
+            end
+          end
+        end
+      end
     end
   end
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index ab89492..4070ccf 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 require 'jekyll'
-require 'open-uri'
 require 'json'
 require 'open-uri'
 require 'nokogiri'