From 3ebedff00a67f89cd93d94cb5f3520ea2eb3020a Mon Sep 17 00:00:00 2001
From: Mike Dalessio <mike.dalessio@gmail.com>
Date: Fri, 26 Aug 2022 21:53:01 +0100
Subject: [PATCH] upgrade Nokogiri to latest version and add overrides for
 older Ruby versions (PR #4339)

---
 Gemfile             | 6 ++++--
 asciidoctor.gemspec | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/Gemfile b/Gemfile
index 526b83bf2b..781acbafed 100644
--- a/Gemfile
+++ b/Gemfile
@@ -16,8 +16,10 @@ group :development do
   gem 'pygments.rb', ENV['PYGMENTS_VERSION'] if ENV.key? 'PYGMENTS_VERSION'
   # rouge is needed for testing source highlighting; Asciidoctor supports rouge >= 2
   gem 'rouge', (ENV.fetch 'ROUGE_VERSION', '~> 3.0')
-  if Gem.win_platform? && (Gem::Version.new RUBY_VERSION) >= (Gem::Version.new '2.6.0')
-    gem 'nokogiri', '~> 1.13.0'
+  if RUBY_ENGINE == 'truffleruby' || (Gem::Version.new RUBY_VERSION) < (Gem::Version.new '2.5.0')
+    gem 'nokogiri', '~> 1.10.0'
+  elsif (Gem::Version.new RUBY_VERSION) < (Gem::Version.new '2.6.0')
+    gem 'nokogiri', '~> 1.12.0'
   end
 end
 
diff --git a/asciidoctor.gemspec b/asciidoctor.gemspec
index 46a425390f..a2c0e53e22 100644
--- a/asciidoctor.gemspec
+++ b/asciidoctor.gemspec
@@ -40,7 +40,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'erubi', '~> 1.10.0'
   s.add_development_dependency 'haml', '~> 5.2.0'
   s.add_development_dependency 'minitest', '~> 5.14.0'
-  s.add_development_dependency 'nokogiri', '~> 1.10.0'
+  s.add_development_dependency 'nokogiri', '~> 1.13.0'
   s.add_development_dependency 'rake', '~> 12.3.0'
   s.add_development_dependency 'slim', '~> 4.1.0'
   s.add_development_dependency 'tilt', '~> 2.0.0'