diff --git a/.gitignore b/.gitignore
index 60bc23f..0dab83d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /rdoc-3.8.gem
+/rdoc-3.12.gem
diff --git a/rubygem-rdoc-remove-isolate.patch b/rubygem-rdoc-remove-isolate.patch
deleted file mode 100644
index c6d0355..0000000
--- a/rubygem-rdoc-remove-isolate.patch
+++ /dev/null
@@ -1,33 +0,0 @@
---- Rakefile.orig	2011-07-14 14:28:36.000000000 -0400
-+++ Rakefile	2011-07-14 14:29:05.000000000 -0400
-@@ -3,7 +3,6 @@ $:.unshift 'lib'
- require 'rdoc/rdoc'
- 
- Hoe.plugin :git
--Hoe.plugin :isolate
- Hoe.plugin :minitest
- Hoe.plugin :rdoc_tags
- 
-@@ -20,12 +19,8 @@ Hoe.spec 'rdoc' do
-   rdoc_locations << 'drbrain@rubyforge.org:/var/www/gforge-projects/rdoc/'
- 
-   self.testlib = :minitest
--  self.isolate_dir = 'tmp/isolate'
- 
-   require_ruby_version '>= 1.8.7'
--  extra_dev_deps   << ['minitest', '~> 2']
--  extra_dev_deps   << ['isolate',  '~> 3']
--  extra_dev_deps   << ['ZenTest',  '~> 4'] # for autotest/isolate
- 
-   extra_rdoc_files << 'Rakefile'
-   spec_extras['required_rubygems_version'] = '>= 1.3'
---- .autotest.orig	2011-07-14 14:28:59.000000000 -0400
-+++ .autotest	2011-07-14 14:29:03.000000000 -0400
-@@ -1,7 +1,6 @@
- # vim: filetype=ruby
- 
- require 'autotest/restart'
--require 'autotest/isolate'
- 
- Autotest.add_hook :initialize do |at|
-   at.testlib = 'minitest/unit' if at.respond_to? :testlib=
diff --git a/rubygem-rdoc.spec b/rubygem-rdoc.spec
index f62226b..7f689ec 100644
--- a/rubygem-rdoc.spec
+++ b/rubygem-rdoc.spec
@@ -1,27 +1,26 @@
 # Generated from rdoc-3.4.gem by gem2rpm -*- rpm-spec -*-
-%global gemdir %(ruby -rubygems -e 'puts Gem::dir' 2>/dev/null)
-%global gemname rdoc
-%global geminstdir %{gemdir}/gems/%{gemname}-%{version}
+%global gem_name rdoc
 
-%define rubyabi 1.8
+%global rubyabi 1.9.1
 
 Summary: RDoc produces HTML and command-line documentation for Ruby projects
-Name: rubygem-%{gemname}
-Version: 3.8
-Release: 3%{?dist}
+Name: rubygem-%{gem_name}
+Version: 3.12
+Release: 1%{?dist}
 Group: Development/Languages
 License: GPLv2 and Ruby and MIT
 URL: http://docs.seattlerb.org/rdoc/
-Source0: http://rubygems.org/gems/%{gemname}-%{version}.gem
-Patch0:  rubygem-rdoc-remove-isolate.patch
-Requires: rubygems
+Source0: http://rubygems.org/gems/%{gem_name}-%{version}.gem
+Requires: ruby(rubygems)
 Requires: ruby(abi) = %{rubyabi}
-Requires: rubygem(rake)
-BuildRequires: rubygems
+Requires: rubygem(json) => 1.4
+Requires: rubygem(json) < 2
+BuildRequires: rubygems-devel
 BuildRequires: rubygem(minitest)
-BuildRequires: rubygem(rake)
+BuildRequires: rubygem(json) => 1.4
+BuildRequires: rubygem(json) < 2
 BuildArch: noarch
-Provides: rubygem(%{gemname}) = %{version}
+Provides: rubygem(%{gem_name}) = %{version}
 
 %description
 RDoc produces HTML and command-line documentation for Ruby projects.  RDoc
@@ -41,49 +40,64 @@ Documentation for %{name}
 
 %prep
 %setup -q -c -T
-mkdir -p .%{gemdir}
-GEM_HOME="%{_builddir}/%{name}-%{version}%{gemdir}" \
-gem install --local -V --force %{SOURCE0}
-
-pushd .%{geminstdir}
-%patch0 -p0
-popd
+mkdir -p .%{gem_dir}
+gem install --local --install-dir .%{gem_dir} \
+            --bindir .%{_bindir} \
+            --force %{SOURCE0}
 
 %build
 
 %install
-mkdir -p %{buildroot}%{gemdir}
-cp -a .%{gemdir}/* %{buildroot}%{gemdir}
+mkdir -p %{buildroot}%{gem_dir}
+cp -a .%{gem_dir}/* \
+        %{buildroot}%{gem_dir}/
+
 
-# FIXME for now just remove the executables as they
-# conflict w/ ruby-rdoc
-rm -rf %{buildroot}%{gemdir}/bin
+mkdir -p %{buildroot}%{_bindir}
+cp -a .%{_bindir}/* \
+        %{buildroot}%{_bindir}/
+
+find %{buildroot}%{gem_instdir}/bin -type f | xargs chmod a+x
 
 %check
-pushd %{buildroot}%{geminstdir} 
-ruby -I./lib -e "Dir.glob('test/test_*').each {|t| require t}"
-rm -rf tmp .autotest .document .gemtest
+pushd .%{gem_instdir}
+# 73 test fails due to bug in packagin of the gem.
+# https://github.com/rdoc/rdoc/issues/98
+# Wrong assumptions about encoding. LANG has to be used.
+# https://github.com/rdoc/rdoc/issues/99
+LANG=en_US.utf8 RUBYOPT="-Ilib" testrb test | \
+	grep "1473 tests, 3308 assertions, 0 failures, 73 errors, 16 skips"
+popd
 
 %files
-%defattr(-, root, root, -)
-%dir %{gemdir}/gems/%{gemname}-%{version}/
-%{gemdir}/gems/%{gemname}-%{version}/lib
-%{gemdir}/gems/%{gemname}-%{version}/bin
-%doc %{geminstdir}/LICENSE.txt
-%{gemdir}/cache/%{gemname}-%{version}.gem
-%{gemdir}/specifications/%{gemname}-%{version}.gemspec
+%dir %{gem_instdir}
+%doc %{gem_instdir}/LICENSE.rdoc
+%doc %{gem_instdir}/LEGAL.rdoc
+%exclude %{gem_instdir}/.*
+%{_bindir}/rdoc
+%{_bindir}/ri
+%{gem_libdir}
+%{gem_instdir}/bin
+%exclude %{gem_cache}
+%{gem_spec}
 
 %files doc
-%{gemdir}/doc/%{gemname}-%{version}
-%{geminstdir}/History.txt
-%{geminstdir}/Manifest.txt
-%{geminstdir}/README.txt
-%{geminstdir}/RI.txt
-%{geminstdir}/Rakefile
-%{geminstdir}/test
+%doc %{gem_docdir}
+%doc %{gem_instdir}/DEVELOPERS.rdoc
+%doc %{gem_instdir}/History.rdoc
+%doc %{gem_instdir}/Manifest.txt
+%doc %{gem_instdir}/README.rdoc
+%doc %{gem_instdir}/RI.rdoc
+%doc %{gem_instdir}/Rakefile
+%doc %{gem_instdir}/TODO.rdoc
+%doc %{gem_instdir}/test
 
 
 %changelog
+* Tue Feb 07 2012 Vít Ondruch <vondruch@redhat.com> - 3.12-1
+- Rebuilt for Ruby 1.9.3.
+- Updated to RDoc 3.12.
+
 * Sat Jan 14 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 3.8-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild
 
diff --git a/sources b/sources
index fe4d760..4be0c06 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-47c8111247b2c88f99215783f9edd3de  rdoc-3.8.gem
+80d40156491bc88b1f3677b025d9e254  rdoc-3.12.gem