diff --git a/rubygem-coderay.spec b/rubygem-coderay.spec
index 13d8074..2337739 100644
--- a/rubygem-coderay.spec
+++ b/rubygem-coderay.spec
@@ -1,23 +1,20 @@
-%global ruby_sitelib %(ruby -rrbconfig -e "puts Config::CONFIG['sitelibdir']")
-%global gemdir %(ruby -rubygems -e 'puts Gem::dir' 2>/dev/null)
-%global gemname coderay
-%global geminstdir %{gemdir}/gems/%{gemname}-%{version}
+%global gem_name coderay
 
 Summary: Fast syntax highlighter engine for many programming languages
-Name: rubygem-%{gemname}
+Name: rubygem-%{gem_name}
 Version: 1.0.4
-Release: 2%{?dist}
+Release: 3%{?dist}
 Group: Development/Languages
 License: LGPLv2+
 URL: http://coderay.rubychan.de
-Source0: http://gems.rubyforge.org/gems/%{gemname}-%{version}.gem
+Source0: http://gems.rubyforge.org/gems/%{gem_name}-%{version}.gem
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-Requires: ruby(abi) = 1.8
-Requires: rubygems
+Requires: ruby(abi) = 1.9.1
+Requires: ruby(rubygems)
 Requires: rubygem(term-ansicolor)
-BuildRequires: rubygems
+BuildRequires: rubygems-devel
 BuildArch: noarch
-Provides: rubygem(%{gemname}) = %{version}
+Provides: rubygem(%{gem_name}) = %{version}
 
 %description
 Coderay is a Ruby library for syntax highlighting. CodeRay is build to be easy
@@ -31,15 +28,15 @@ efficient.
 
 %install
 rm -rf %{buildroot}
-mkdir -p %{buildroot}%{gemdir}
-gem install --local --install-dir %{buildroot}%{gemdir} \
+mkdir -p %{buildroot}%{gem_dir}
+gem install --local --install-dir %{buildroot}%{gem_dir} \
             --force --rdoc %{SOURCE0}
 mkdir -p %{buildroot}/%{_bindir}
-mv %{buildroot}%{gemdir}/bin/* %{buildroot}/%{_bindir}
-rmdir %{buildroot}%{gemdir}/bin
-rm -rf %{buildroot}/%{geminstdir}/lib/term
-find %{buildroot}%{geminstdir}/bin -type f | xargs chmod a+x
-find %{buildroot}/%{geminstdir}/bin -type f | xargs sed -i 's/\r//' $FILES
+mv %{buildroot}%{gem_dir}/bin/* %{buildroot}/%{_bindir}
+rmdir %{buildroot}%{gem_dir}/bin
+rm -rf %{buildroot}/%{gem_libdir}/term
+find %{buildroot}%{gem_instdir}/bin -type f | xargs chmod a+x
+find %{buildroot}/%{gem_instdir}/bin -type f | xargs sed -i 's/\r//' $FILES
 
 %clean
 rm -rf %{buildroot}
@@ -47,21 +44,24 @@ rm -rf %{buildroot}
 %files 
 %defattr(-, root, root, -)
 %{_bindir}/coderay
-%dir %{geminstdir}/
-%dir %{geminstdir}/lib
-%dir %{geminstdir}/test
-%{geminstdir}/test/*
-%{geminstdir}/bin
-%{geminstdir}/lib/[cC]*
-%doc %{gemdir}/doc/%{gemname}-%{version} 
-%doc %{geminstdir}/LICENSE
-%doc %{geminstdir}/Rakefile
-%doc %{geminstdir}/README_INDEX.rdoc
-%{gemdir}/cache/%{gemname}-%{version}.gem
-%{gemdir}/specifications/%{gemname}-%{version}.gemspec
+%dir %{gem_instdir}/
+%dir %{gem_libdir}
+%dir %{gem_instdir}/test
+%{gem_instdir}/test/*
+%{gem_instdir}/bin
+%{gem_libdir}/[cC]*
+%doc %{gem_docdir}
+%doc %{gem_instdir}/LICENSE
+%doc %{gem_instdir}/Rakefile
+%doc %{gem_instdir}/README_INDEX.rdoc
+%{gem_cache}
+%{gem_spec}
 
 
 %changelog
+* Mon Feb 06 2012 Vít Ondruch <vondruch@redhat.com> - 1.0.4-3
+- Rebuilt for Ruby 1.9.3.
+
 * Sat Jan 14 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.0.4-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild