asciidoctor-fb2.gemspec in asciidoctor-fb2-0.2.4 vs asciidoctor-fb2.gemspec in asciidoctor-fb2-0.3.0

@@ -18,12 +18,13 @@
   end
   s.require_paths = ['lib']
 
   s.add_runtime_dependency 'asciidoctor', '~> 2.0'
   s.add_runtime_dependency 'fb2rb', '~> 0.4.0'
+  s.add_runtime_dependency 'mime-types', '~> 3.0'
 
   s.add_development_dependency 'asciidoctor-diagram', '~> 2.0'
   s.add_development_dependency 'rake', '~> 13.0'
   s.add_development_dependency 'rspec', '~> 3.10.0'
-  s.add_development_dependency 'rubocop', '~> 0.93.0'
-  s.add_development_dependency 'rubocop-rspec', '~> 1.44.0'
+  s.add_development_dependency 'rubocop', '~> 1.4.0'
+  s.add_development_dependency 'rubocop-rspec', '~> 2.0.0'
 end