asciimath2unitsml.gemspec in asciimath2unitsml-0.4.3 vs asciimath2unitsml.gemspec in asciimath2unitsml-0.4.4

@@ -43,19 +43,18 @@
     end
   end
 
   spec.add_dependency "asciimath"
   spec.add_dependency "htmlentities"
-  spec.add_dependency "nokogiri", "~> 1"
+  spec.add_dependency "nokogiri", "<= 1.16.8"
   spec.add_dependency "rsec", "~> 1.0.0"
 
   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"
   spec.add_development_dependency "rake", "~> 12.0"
-  spec.add_development_dependency "rexml"
   spec.add_development_dependency "rspec", "~> 3.6"
   spec.add_development_dependency "rubocop", "~> 1.5.2"
   spec.add_development_dependency "simplecov", "~> 0.15"
   spec.add_development_dependency "timecop", "~> 0.9"
 end