isodoc.gemspec in isodoc-0.7.0 vs isodoc.gemspec in isodoc-0.7.1

@@ -34,10 +34,10 @@
   spec.add_dependency "mime-types"
   spec.add_dependency "nokogiri"
   spec.add_dependency "ruby-xslt"
   spec.add_dependency "thread_safe"
   spec.add_dependency "uuidtools"
-  spec.add_dependency "html2doc"
+  spec.add_dependency "html2doc", ">= 0.7.1"
   spec.add_dependency "liquid"
   spec.add_dependency "roman-numerals"
   spec.add_dependency "sass"
 
   spec.add_development_dependency "bundler", "~> 1.15"