omml2mathml.gemspec in omml2mathml-0.0.11 vs omml2mathml.gemspec in omml2mathml-0.0.12

@@ -21,10 +21,10 @@
   spec.require_paths = ["lib"]
   spec.files         = `git ls-files`.split("\n")
   spec.test_files    = `git ls-files -- {spec}/*`.split("\n")
   spec.required_ruby_version = Gem::Requirement.new(">= 2.5.0")
 
-  spec.add_dependency "nokogiri", "~> 1.12"
+  spec.add_dependency "nokogiri", "~> 1"
   spec.add_development_dependency "bundler"
   spec.add_development_dependency "debug"
   spec.add_development_dependency "equivalent-xml", "~> 0.6"
   spec.add_development_dependency "guard", "~> 2.14"
   spec.add_development_dependency "guard-rspec", "~> 4.7"