asciidoctor-iso.gemspec in asciidoctor-iso-0.7.2 vs asciidoctor-iso.gemspec in asciidoctor-iso-0.7.3

- old
+ new

@@ -30,9 +30,10 @@
   spec.add_dependency "asciidoctor", "~> 1.5.6"
   spec.add_dependency "htmlentities", "~> 4.3.4"
   spec.add_dependency "nokogiri"
   spec.add_dependency "ruby-jing"
   spec.add_dependency "thread_safe"
+  spec.add_dependency "sass"
   spec.add_dependency "uuidtools"
   spec.add_dependency "html2doc"
   spec.add_dependency "isodoc"
 
   spec.add_development_dependency "bundler", "~> 1.15"