Gemfile in html-pipeline-1.8.0 vs Gemfile in html-pipeline-1.9.0

@@ -7,10 +7,11 @@
   gem "bundler"
   gem "rake"
 end
 
 group :test do
+  gem "minitest",           "~> 5.3"
   gem "rinku",              "~> 1.7",   :require => false
   gem "gemoji",             "~> 1.0",   :require => false
   gem "RedCloth",           "~> 4.2.9", :require => false
   gem "github-markdown",    "~> 0.5",   :require => false
   gem "email_reply_parser", "~> 0.5",   :require => false
@@ -23,9 +24,14 @@
     gem "github-linguist",  "~> 2.10",  :require => false
   end
 
   if RUBY_VERSION < "1.9.2"
     gem "sanitize", ">= 2", "< 2.0.4", :require => false
+    gem "nokogiri", ">= 1.4", "< 1.6"
   else
     gem "sanitize", "~> 2.0",          :require => false
+  end
+
+  if RUBY_VERSION < "1.9.3"
+    gem "activesupport", ">= 2", "< 4"
   end
 end