diff --git a/.gitignore b/.gitignore
index 33a06e0..3ac192b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ builder-2.1.2.gem
 /builder-3.1.3.gem
 /builder-3.1.4.gem
 /builder-3.2.2.gem
+/builder-3.2.3.gem
diff --git a/rubygem-builder.spec b/rubygem-builder.spec
index 5025d18..24e8b6b 100644
--- a/rubygem-builder.spec
+++ b/rubygem-builder.spec
@@ -1,13 +1,13 @@
 %global gem_name builder
 
-Summary: Builders for MarkUp
 Name: rubygem-%{gem_name}
-Version: 3.2.2
-Release: 5%{?dist}
+Version: 3.2.3
+Release: 1%{?dist}
+Summary: Builders for MarkUp
 Group: Development/Languages
 License: MIT
 URL: http://onestepback.org
-Source0: http://rubygems.org/gems/%{gem_name}-%{version}.gem
+Source0: https://rubygems.org/gems/%{gem_name}-%{version}.gem
 # Builder carries copy of Blankslate, which was in the meantime extracted into
 # independent gem.
 # https://github.com/jimweirich/builder/issues/24
@@ -19,7 +19,7 @@ Source0: http://rubygems.org/gems/%{gem_name}-%{version}.gem
 BuildRequires: ruby(release)
 BuildRequires: rubygems-devel
 BuildRequires: ruby
-BuildRequires: rubygem(minitest) < 5
+BuildRequires: rubygem(minitest)
 BuildArch: noarch
 
 %description
@@ -28,6 +28,7 @@ data simple to do. Currently the following builder objects are supported:
 * XML Markup
 * XML Events
 
+
 %package doc
 Summary: Documentation for %{name}
 Group: Documentation
@@ -35,7 +36,7 @@ Requires: %{name} = %{version}-%{release}
 BuildArch: noarch
 
 %description doc
-Documentation for %{name}
+Documentation for %{name}.
 
 %prep
 %setup -q -c -T
@@ -58,39 +59,12 @@ chmod -x %{buildroot}%{gem_instdir}/doc/releases/builder-2.1.1.rdoc
 
 %check
 pushd .%{gem_instdir}
-
-ruby -rminitest/autorun -I.:lib:test - << \EOF
-  module Kernel
-    alias orig_require require
-    remove_method :require
-
-    def require path
-      orig_require path unless path == 'test/unit'
-    end
-  end
-  Test = Minitest
-  module Test
-    class Unit
-      class TestCase
-        alias :assert_raise :assert_raises
-        def assert_nothing_raised
-          yield
-        end
-
-        def assert_not_nil exp, msg=nil
-          msg = message(msg) { "<#{mu_pp(exp)}> expected to not be nil" }
-          assert(!exp.nil?, msg)
-        end
-      end
-    end
-  end
-  Dir.glob "./test/test_*.rb", &method(:require)
-EOF
+ruby -Ilib:test -e 'Dir.glob "./test/test_*.rb", &method(:require)'
 popd
 
 %files
 %dir %{gem_instdir}
-%doc %{gem_instdir}/MIT-LICENSE
+%license %{gem_instdir}/MIT-LICENSE
 %{gem_libdir}
 %exclude %{gem_cache}
 %{gem_spec}
@@ -99,13 +73,15 @@ popd
 %doc %{gem_docdir}
 %doc %{gem_instdir}/CHANGES
 %doc %{gem_instdir}/README.md
-%doc %{gem_instdir}/Rakefile
-%doc %{gem_instdir}/doc/
-%doc %{gem_instdir}/rakelib/
-%{gem_instdir}/test/
-
+%{gem_instdir}/Rakefile
+%doc %{gem_instdir}/doc
+%{gem_instdir}/rakelib
+%{gem_instdir}/test
 
 %changelog
+* Mon Jan 16 2017 Vít Ondruch <vondruch@redhat.com> - 3.2.3-1
+- Update to Builder 3.2.3.
+
 * Thu Feb 04 2016 Fedora Release Engineering <releng@fedoraproject.org> - 3.2.2-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
 
diff --git a/sources b/sources
index 6c2a032..c3c661d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-14757f8118991be11f02e57b96cbba43  builder-3.2.2.gem
+SHA512 (builder-3.2.3.gem) = 7869f44bcf40d547846d50ab82234694420b2f38e08037ae671c90a7c3b547f11023f864e70adf82970fdddf7ee811730c17e30ec298bb6d1999f4c0c050fbb8