bolognese.gemspec in bolognese-1.4.5 vs bolognese.gemspec in bolognese-1.4.6

@@ -20,10 +20,10 @@
   s.add_dependency 'faraday', '0.17.0'
   s.add_dependency 'nokogiri', '~> 1.10.4'
   s.add_dependency 'loofah', '~> 2.0', '>= 2.0.3'
   s.add_dependency 'builder', '~> 3.2', '>= 3.2.2'
   s.add_dependency 'activesupport', '>= 4.2.5', '< 6'
-  s.add_dependency 'bibtex-ruby', '~> 4.1'
+  s.add_dependency 'bibtex-ruby', '>= 5.1.0'
   s.add_dependency 'thor', '~> 0.19'
   s.add_dependency 'colorize', '~> 0.8.1'
   s.add_dependency 'namae', '~> 1.0'
   s.add_dependency 'edtf', '~> 3.0', '>= 3.0.4'
   s.add_dependency 'citeproc-ruby', '~> 1.1', '>= 1.1.10'