From 885ed44646fd38dc007cbb31177b71fb2d4681eb Mon Sep 17 00:00:00 2001
From: Cotes Chung <11371340+cotes2020@users.noreply.github.com>
Date: Wed, 23 Jun 2021 23:00:46 +0800
Subject: [PATCH] Lock the ruby version number (#245, #247, #344)

Since version 3.0, Ruby has no `webrick` that Jekyll (<= 4.2) needs
---
 jekyll-theme-chirpy.gemspec | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/jekyll-theme-chirpy.gemspec b/jekyll-theme-chirpy.gemspec
index 2aa4744..bf56ef2 100644
--- a/jekyll-theme-chirpy.gemspec
+++ b/jekyll-theme-chirpy.gemspec
@@ -23,6 +23,8 @@ Gem::Specification.new do |spec|
     "plugin_type"       => "theme"
   }
 
+  spec.required_ruby_version = [">= 2.4", "< 3.0"]
+
   spec.add_runtime_dependency "jekyll", "~> 4.1"
   spec.add_runtime_dependency "jekyll-paginate", "~> 1.1"
   spec.add_runtime_dependency "jekyll-redirect-from", "~> 0.16"