asciidoctor-iso.gemspec in asciidoctor-iso-0.7.7 vs asciidoctor-iso.gemspec in asciidoctor-iso-0.7.8

@@ -33,10 +33,11 @@
   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_dependency "isodoc", "~> 0.6.2"
+  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"
   spec.add_development_dependency "guard", "~> 2.14"