diff --git a/spec/acceptance/designate_config_spec.rb b/spec/acceptance/designate_config_spec.rb
index f9e6c626..bd3c1f36 100644
--- a/spec/acceptance/designate_config_spec.rb
+++ b/spec/acceptance/designate_config_spec.rb
@@ -43,11 +43,14 @@ describe 'basic designate_config resource' do
     end
 
     describe file('/etc/designate/designate.conf') do
-      it { should exist }
-      it { should contain('thisshouldexist=foo') }
-      it { should contain('thisshouldexist2=<SERVICE DEFAULT>') }
+      it { is_expected.to exist }
+      it { is_expected.to contain('thisshouldexist=foo') }
+      it { is_expected.to contain('thisshouldexist2=<SERVICE DEFAULT>') }
 
-      its(:content) { should_not match /thisshouldnotexist/ }
+      describe '#content' do
+        subject { super().content }
+        it { is_expected.to_not match /thisshouldnotexist/ }
+      end
     end