thinreports.gemspec in thinreports-0.11.0 vs thinreports.gemspec in thinreports-0.12.0

@@ -12,14 +12,20 @@
   s.summary     = 'An open source report generation tool for Ruby.'
   s.description = 'Thinreports is an open source report generation tool for Ruby.'
   s.homepage    = 'http://www.thinreports.org'
   s.license     = 'MIT'
 
-  s.required_ruby_version = '>= 2.4.0'
+  s.required_ruby_version = '>= 2.5.0'
 
   s.files = Dir.chdir(File.expand_path('..', __FILE__)) do
     `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^test/}) }
   end
   s.require_paths = ['lib']
 
-  s.add_dependency 'prawn', '~> 2.2.0'
+  s.add_dependency 'prawn', '~> 2.2'
+  s.add_dependency 'rexml'
+
+  s.add_development_dependency 'minitest', '>= 5.14.1'
+  s.add_development_dependency 'mocha', '>= 1.11.2'
+  s.add_development_dependency 'pdf-inspector', '>= 1.3.0'
+  s.add_development_dependency 'rake', '>= 13.0.1'
 end