diff --git a/.gitignore b/.gitignore
index 0108d54..fc1de2a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /progressbar-0.9.0.gem
 /rubygem-progressbar-test-load-path-fix.patch
 /progressbar-0.11.0.gem
+/progressbar-0.21.0.gem
diff --git a/rubygem-progressbar.spec b/rubygem-progressbar.spec
index 6c6ff7b..dc72eea 100644
--- a/rubygem-progressbar.spec
+++ b/rubygem-progressbar.spec
@@ -2,18 +2,15 @@
 
 Summary: Ruby text progress bar generator library
 Name: rubygem-%{gem_name}
-Version: 0.11.0
-Release: 5%{?dist}
+Version: 0.21.0
+Release: 1%{?dist}
 Group: Development/Languages
-License: GPLv2 or Ruby
+License: BSD or Ruby
 URL: http://github.com/peleteiro/progressbar
-Source0: http://gems.rubyforge.org/gems/%{gem_name}-%{version}.gem
-Requires: ruby(release)
-Requires: ruby(rubygems)
+Source0: https://rubygems.org/gems/%{gem_name}-%{version}.gem
 BuildRequires: rubygems-devel
 BuildRequires: rubygem(minitest)
 BuildArch: noarch
-Provides: rubygem(%{gem_name}) = %{version}
 
 %description
 ProgressBar is a text progress bar library for Ruby. It can indicate
@@ -25,7 +22,7 @@ Group: Documentation
 Requires:%{name} = %{version}-%{release}
 
 %description doc
-Documentation for %{name}
+Documentation for %{name}.
 
 %prep
 %setup -q -c -T 
@@ -40,7 +37,22 @@ cp -a ./%{gem_dir}/* %{buildroot}%{gem_dir}
 
 %check
 pushd .%{gem_instdir}
-ruby -Ilib test/test.rb
+# Run the tests using minitest 5.
+ruby -Ilib -rminitest/autorun - << \EOF
+  module Kernel
+    alias orig_require require
+    remove_method :require
+
+    def require path
+      orig_require path unless path == 'test/unit'
+    end
+  end
+
+  Test = Minitest
+
+  Dir.glob "./test/test.rb", &method(:require)
+EOF
+
 popd
 
 %files
@@ -48,7 +60,7 @@ popd
 %exclude %{gem_instdir}/.*
 %{gem_libdir}
 %doc %{gem_instdir}/LICENSE
-%{gem_cache}
+%exclude %{gem_cache}
 %{gem_spec}
 
 %files doc
@@ -61,6 +73,9 @@ popd
 %{gem_instdir}/test
 
 %changelog
+* Wed Jul 16 2014 Vít Ondruch <vondruch@redhat.com> - 0.21.0-1
+- Update to progressbar 0.21.0.
+
 * Sun Jun 08 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.11.0-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
 
diff --git a/sources b/sources
index 0d9f55d..a774212 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-b0aeb7f9bb4b6c5562582a009132c285  progressbar-0.11.0.gem
+d9f376cd8782e71c05a42bfda5b41a9f  progressbar-0.21.0.gem