diff --git a/rubygem-simpleidn.spec b/rubygem-simpleidn.spec
index bba31cb..471f9d2 100644
--- a/rubygem-simpleidn.spec
+++ b/rubygem-simpleidn.spec
@@ -4,11 +4,10 @@ Version:        0.2.3
 Release:        0
 %define mod_name simpleidn
 %define mod_full_name %{mod_name}-%{version}
-BuildRequires:  ruby >= 2.2
-BuildRequires:  rubygem-gem2rpm
-BuildRequires:  ruby-macros >= 5
+BuildRequires:  ruby(release) rubygems-devel rubygem(rspec) >= 3 rubygem(did_you_mean)
 URL:            https://github.com/mmriis/simpleidn
-Source:         https://rubygems.org/gems/%{mod_full_name}.gem
+Source0:         https://rubygems.org/gems/%{mod_full_name}.gem
+# did we need this?
 Source1:        gem2rpm.yml
 Summary:        Punycode ACE to unicode UTF-8 (and vice-versa) string conversion
 License:        MIT