diff --git a/README.md b/README.md
index 574df10..10b9eac 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,8 @@ This cookbook installs the OpenStack Integration Test Suite **Tempest** as part
 Requirements
 ============
 
-Chef 11 or higher required (for Chef environment use).
+- Chef 12 or higher
+- chefdk 0.9.0 or higher for testing
 
 Cookbooks
 ---------
diff --git a/metadata.rb b/metadata.rb
index abbe122..d7605a6 100644
--- a/metadata.rb
+++ b/metadata.rb
@@ -2,6 +2,8 @@
 name 'openstack-integration-test'
 maintainer 'openstack-chef'
 maintainer_email 'openstack-dev@lists.openstack.org'
+issues_url 'https://launchpad.net/openstack-chef' if respond_to?(:issues_url)
+source_url 'https://github.com/openstack/cookbook-openstack-integration-test' if respond_to?(:source_url)
 license 'Apache 2.0'
 description 'Installs and configures the Tempest Integration Test Suite'
 long_description IO.read(File.join(File.dirname(__FILE__), 'README.md'))
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 0ee4e0a..0cc91d0 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -11,12 +11,12 @@ REDHAT_OPTS = {
   platform: 'redhat',
   version: '7.1',
   log_level: LOG_LEVEL
-}
+}.freeze
 UBUNTU_OPTS = {
   platform: 'ubuntu',
   version: '14.04',
   log_level: LOG_LEVEL
-}
+}.freeze
 
 shared_context 'tempest-stubs' do
   before do