Lock the ruby version number (#245, #247, #344)

Since version 3.0, Ruby has no `webrick` that Jekyll (<= 4.2) needs
cotes2020 · Jun 23, 2021 · 885ed44 · 885ed44
1 parent d31e677
commit 885ed44
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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"