diff --git a/rubygem-gem2rpm.spec b/rubygem-gem2rpm.spec
index 8d7394c..b2e374e 100644
--- a/rubygem-gem2rpm.spec
+++ b/rubygem-gem2rpm.spec
@@ -1,35 +1,34 @@
 # Generated from gem2rpm-0.5.2.gem by gem2rpm -*- rpm-spec -*-
-%global gemname gem2rpm
+%global gem_name gem2rpm
 
-%global gemdir %(ruby -rubygems -e 'puts Gem::dir' 2>/dev/null)
-%global geminstdir %{gemdir}/gems/%{gemname}-%{version}
-%global gemdocdir %{gemdir}/doc/%{gemname}-%{version}
-%global rubyabi 1.8
+%global gemdocdir %{gem_docdir}
+%global rubyabi 1.9.1
 
 Summary: Generate rpm specfiles from gems
-Name: rubygem-%{gemname}
+Name: rubygem-%{gem_name}
 Version: 0.7.1
-Release: 3%{?dist}
+Release: 4%{?dist}
 Group: Development/Languages
 License: GPLv2+ or Ruby
 %if 0%{?rhel} <= 5
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 %endif
 URL: https://github.com/lutter/gem2rpm/
-Source0: http://rubygems.org/gems/%{gemname}-%{version}.gem
+Source0: http://rubygems.org/gems/%{gem_name}-%{version}.gem
 # git clone https://github.com/lutter/gem2rpm.git && cd gem2rpm && git checkout v0.7.0
 # tar czvf gem2rpm-tests.tgz test/
-Source1: %{gemname}-tests.tgz
+Source1: %{gem_name}-tests.tgz
 Requires: ruby(abi) = %{rubyabi}
 Requires: ruby(rubygems)
 Requires: ruby
 Requires: /usr/bin/rpmdev-packager
 BuildRequires: ruby(abi) = %{rubyabi}
-BuildRequires: ruby(rubygems)
+BuildRequires: rubygems-devel
 BuildRequires: ruby
 BuildRequires: /usr/bin/rpmdev-packager
+BuildRequires: rubygem(minitest)
 BuildArch: noarch
-Provides: rubygem(%{gemname}) = %{version}
+Provides: rubygem(%{gem_name}) = %{version}
 
 %description
 Generate source rpms and rpm spec files from a Ruby Gem.  The spec file
@@ -48,8 +47,8 @@ Documentation for %{name}.
 
 %prep
 %setup -q -c -T
-mkdir -p .%{gemdir}
-gem install --local --install-dir .%{gemdir} \
+mkdir -p .%{gem_dir}
+gem install --local --install-dir .%{gem_dir} \
             --bindir .%{_bindir} \
             --force %{SOURCE0}
 
@@ -57,38 +56,41 @@ gem install --local --install-dir .%{gemdir} \
 
 %install
 rm -rf %{buildroot}
-mkdir -p %{buildroot}%{gemdir}
-cp -a .%{gemdir}/* \
-        %{buildroot}%{gemdir}/
+mkdir -p %{buildroot}%{gem_dir}
+cp -a .%{gem_dir}/* \
+        %{buildroot}%{gem_dir}/
 
 mkdir -p %{buildroot}%{_bindir}
 cp -a .%{_bindir}/* \
         %{buildroot}%{_bindir}/
 
-find %{buildroot}%{geminstdir}/bin -type f | xargs chmod a+x
+find %{buildroot}%{gem_instdir}/bin -type f | xargs chmod a+x
 
 %check
-tar xzvf %{SOURCE1} -C .%{geminstdir}
-pushd .%{geminstdir}
-RUBYOPT="-Itest" testrb test/
+tar xzvf %{SOURCE1} -C .%{gem_instdir}
+pushd .%{gem_instdir}
+testrb -Itest test/
 popd
 
 %files
-%dir %{geminstdir}
+%dir %{gem_instdir}
 %{_bindir}/gem2rpm
-%{geminstdir}/bin
-%{geminstdir}/lib
-%{geminstdir}/templates
-%doc %{geminstdir}/LICENSE
-%{gemdir}/cache/%{gemname}-%{version}.gem
-%{gemdir}/specifications/%{gemname}-%{version}.gemspec
+%{gem_instdir}/bin
+%{gem_libdir}
+%{gem_instdir}/templates
+%doc %{gem_instdir}/LICENSE
+%{gem_cache}
+%{gem_spec}
 
 %files doc
 %doc %{gemdocdir}
-%doc %{geminstdir}/README
-%doc %{geminstdir}/AUTHORS
+%doc %{gem_instdir}/README
+%doc %{gem_instdir}/AUTHORS
 
 %changelog
+* Fri Jan 20 2012 Vít Ondruch <vondruch@redhat.com> - 0.7.1-4
+- Rebuilt for Ruby 1.9.3.
+
 * Sat Jan 14 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.7.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild