Rakefile in heel-3.2.1 vs Rakefile in heel-4.0.0

@@ -5,20 +5,32 @@
 This.author   = "Jeremy Hinegardner"
 This.email    = "[e-mail]"
 This.homepage = "http://github.com/copiousfreetime/#{ This.name }"
 
 This.ruby_gemspec do |spec|
-  spec.add_runtime_dependency( 'rack'      , '~> 2.0' )
-  spec.add_runtime_dependency( 'puma'      , '~> 3.11' )
-  spec.add_runtime_dependency( 'mime-types', '~> 3.1')
-  spec.add_runtime_dependency( 'launchy'   , '~> 2.4' )
-  spec.add_runtime_dependency( 'coderay'   , '~> 1.1' )
+  spec.add_runtime_dependency( 'rack'      , '~> 3.0' )
+  spec.add_runtime_dependency( 'rackup'    , '~> 2.1' )
+  spec.add_runtime_dependency( 'puma'      , '~> 6.0' )
+  spec.add_runtime_dependency( 'mime-types', '~> 3.4')
+  spec.add_runtime_dependency( 'launchy'   , '~> 2.5' )
+  spec.add_runtime_dependency( 'rouge'     , '~> 4.0' )
 
-  spec.add_development_dependency( 'rake'     , '~> 12.3')
-  spec.add_development_dependency( 'minitest' , '~> 5.11' )
-  spec.add_development_dependency( 'rdoc'     , '~> 6.0' )
-  spec.add_development_dependency( 'simplecov', '~> 0.15' )
+  spec.add_development_dependency( 'rake'     , '~> 13.0')
+  spec.add_development_dependency( 'minitest' , '~> 5.15' )
+  spec.add_development_dependency( 'minitest-junit' , '~> 1.0' )
+  spec.add_development_dependency( 'rdoc'     , '~> 6.5' )
+  spec.add_development_dependency( 'simplecov', '~> 0.21' )
 
   spec.license = "BSD-3-Clause"
+
+  spec.metadata = {
+    "bug_tracker_uri" => "https://github.com/copiousfreetime/heel/issues",
+    "changelog_uri"   => "https://github.com/copiousfreetime/heel/blob/master/README.md",
+    "homepage_uri"    => "https://github.com/copiousfreetime/heel",
+    "source_code_uri" => "https://github.com/copiousfreetime/heel",
+  }
+
+  spec.required_ruby_version = ">= 3.0.0"
+
 end
 
 load 'tasks/default.rake'