xero_gateway.gemspec in xero_gateway-2.3.0 vs xero_gateway.gemspec in xero_gateway-2.4.0

@@ -16,16 +16,21 @@
 
   s.files       = ["Gemfile", "LICENSE", "Rakefile", "README.md", "xero_gateway.gemspec"] + Dir['**/*.rb'] + Dir['**/*.crt']
 
   s.add_dependency "builder", ">= 3.2.2"
   s.add_dependency "oauth", ">= 0.3.6"
-  s.add_dependency "activesupport"
 
+  if RUBY_VERSION > "1.9.3"
+    s.add_dependency "activesupport"
+  else
+    s.add_dependency "activesupport", "< 5"
+  end
+
   s.add_development_dependency "bundler"
   s.add_development_dependency "rake"
   s.add_development_dependency "minitest"
   s.add_development_dependency "test-unit"
   s.add_development_dependency "mocha"
   s.add_development_dependency "shoulda"
-  s.add_development_dependency "libxml-ruby"
+  s.add_development_dependency "libxml-ruby", "2.7.0"
 
 end