bolognese.gemspec in bolognese-1.5.6 vs bolognese.gemspec in bolognese-1.5.7

@@ -29,9 +29,10 @@
   s.add_dependency 'edtf', '~> 3.0', '>= 3.0.4'
   s.add_dependency 'citeproc-ruby', '~> 1.1', '>= 1.1.10'
   s.add_dependency 'csl-styles', '~> 1.0', '>= 1.0.1.8'
   s.add_dependency 'iso8601', '~> 0.9.1'
   s.add_dependency 'postrank-uri', '~> 1.0', '>= 1.0.18'
+  s.add_dependency 'json-ld', '~> 3.1', '>= 3.1.1'
   s.add_dependency 'json-ld-preloaded', '~> 3.1', '>= 3.1.1'
   s.add_dependency 'jsonlint', '~> 0.3.0'
   s.add_dependency 'oj', '~> 3.10'
   s.add_dependency "oj_mimic_json", "~> 1.0", ">= 1.0.1"
   s.add_dependency 'rdf-turtle', '~> 3.1'