diff --git a/rubygem-pg.spec b/rubygem-pg.spec
index 97de729..c5bc806 100644
--- a/rubygem-pg.spec
+++ b/rubygem-pg.spec
@@ -1,11 +1,10 @@
 # Generated from pg-0.11.0.gem by gem2rpm -*- rpm-spec -*-
 %global gem_name pg
-%global rubyabi 1.9.1
 
 Summary: A Ruby interface to the PostgreSQL RDBMS
 Name: rubygem-%{gem_name}
 Version: 0.12.2
-Release: 4%{?dist}
+Release: 5%{?dist}
 Group: Development/Languages
 # Upstream license clarification (https://bitbucket.org/ged/ruby-pg/issue/72/)
 #
@@ -15,10 +14,10 @@ Group: Development/Languages
 License: (GPLv2 or Ruby) and BSD
 URL: http://bitbucket.org/ged/ruby-pg/
 Source0: http://rubygems.org/gems/%{gem_name}-%{version}.gem
-Requires: ruby(abi) = %{rubyabi}
+Requires: ruby(release)
 Requires: ruby(rubygems)
 Requires: ruby
-BuildRequires: ruby(abi) = %{rubyabi}
+BuildRequires: ruby(release)
 BuildRequires: ruby-devel
 BuildRequires: rubygems-devel
 BuildRequires: ruby
@@ -46,20 +45,17 @@ Documentation for %{name}
 
 %prep
 %setup -q -c -T
-mkdir -p .%{gem_dir}
-export CONFIGURE_ARGS="--with-cflags='%{optflags}'"
-gem install --local --install-dir .%{gem_dir} \
-            -V --force %{SOURCE0}
+%gem_install -n %{SOURCE0}
 
 %build
 
 %install
 mkdir -p %{buildroot}%{gem_dir}
-mkdir -p %{buildroot}%{gem_extdir}/lib
+mkdir -p %{buildroot}%{gem_extdir_mri}/lib
 cp -a .%{gem_dir}/* \
         %{buildroot}%{gem_dir}/
 
-mv %{buildroot}%{gem_libdir}/pg_ext.so %{buildroot}%{gem_extdir}/lib
+mv %{buildroot}%{gem_libdir}/pg_ext.so %{buildroot}%{gem_extdir_mri}/lib
 
 # Remove the binary extension sources and build leftovers.
 rm -rf %{buildroot}%{gem_instdir}/ext
@@ -83,7 +79,7 @@ popd
 
 %files
 %exclude %{gem_instdir}/.gemtest
-%{gem_extdir}
+%{gem_extdir_mri}
 %dir %{gem_instdir}
 %doc %{gem_instdir}/BSD
 %doc %{gem_instdir}/GPL
@@ -110,6 +106,9 @@ popd
 
 
 %changelog
+* Thu Mar 07 2013 Vít Ondruch <vondruch@redhat.com> - 0.12.2-5
+- Rebuild for https://fedoraproject.org/wiki/Features/Ruby_2.0.0
+
 * Thu Feb 14 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.12.2-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild