asciidoctor-iso.gemspec in asciidoctor-iso-0.8.0 vs asciidoctor-iso.gemspec in asciidoctor-iso-0.8.1

@@ -27,10 +27,10 @@
   spec.test_files    = `git ls-files -- {spec}/*`.split("\n")
   spec.required_ruby_version = Gem::Requirement.new(">= 2.4.0")
 
   spec.add_dependency "asciidoctor", "~> 1.5.7"
   spec.add_dependency "ruby-jing"
-  spec.add_dependency "isodoc", "~> 0.6.2"
+  spec.add_dependency "isodoc", ">= 0.7.0"
   spec.add_dependency "isobib", "~> 0.1.4"
 
   spec.add_development_dependency "bundler", "~> 1.15"
   spec.add_development_dependency "byebug", "~> 9.1"
   spec.add_development_dependency "equivalent-xml", "~> 0.6"