asciidoctor-epub3.gemspec in asciidoctor-epub3-1.5.0.alpha.13 vs asciidoctor-epub3.gemspec in asciidoctor-epub3-1.5.0.alpha.14

@@ -28,13 +28,14 @@
   s.executables = %w(asciidoctor-epub3 adb-push-ebook)
   s.test_files = s.files.grep(/^(?:test|spec|feature)\/.*$/)
 
   s.require_paths = ['lib']
 
+  s.add_development_dependency 'asciidoctor-diagram', '>= 1.5.0', '< 3.0.0'
   s.add_development_dependency 'rake', '~> 13.0.0'
   s.add_development_dependency 'rspec', '~> 3.9.0'
-  s.add_development_dependency 'rubocop', '~> 0.79.0'
-  s.add_development_dependency 'rubocop-rspec', '~> 1.37.0'
+  s.add_development_dependency 'rubocop', '~> 0.80.0'
+  s.add_development_dependency 'rubocop-rspec', '~> 1.38.0'
 
-  s.add_runtime_dependency 'asciidoctor', '>= 1.5.3', '< 3.0.0'
+  s.add_runtime_dependency 'asciidoctor', '>= 1.5.6', '< 3.0.0'
   s.add_runtime_dependency 'gepub', '~> 1.0.0'
 end