Attempt to fix CI

Author: slonopotamus

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         # Test oldest and newest supported versions
-        ruby: ['jruby', '2.6', '3.4']
+        ruby: ['jruby', '2.7', '3.4']
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:

CHANGELOG.adoc

@@ -9,7 +9,8 @@ For a detailed view of what has changed, refer to the {uri-project}/commits/mast
 
 == Unreleased
 
-* Remove unsupported Ruby versions on CI
+* Bump minimal supported Ruby version to 2.7
+* Add support for Ruby 3.4
 
 == 0.7.0 (2022-12-18) - @slonopotamus
 

asciidoctor-fb2.gemspec

@@ -10,7 +10,7 @@ Gem::Specification.new do |s|
   s.summary = 'Converts AsciiDoc documents to FB2 e-book formats'
   s.homepage = 'https://github.com/asciidoctor/asciidoctor-fb2'
   s.license = 'MIT'
-  s.required_ruby_version = '>= 2.6.0'
+  s.required_ruby_version = '>= 2.7.0'
 
   s.files = `git ls-files`.split("\n").reject { |f| f.match(%r{^spec/}) }
   s.executables = `git ls-files -- bin/*`.split("\n").map do |f|
@@ -19,7 +19,7 @@ Gem::Specification.new do |s|
   s.require_paths = ['lib']
 
   s.add_runtime_dependency 'asciidoctor', '~> 2.0'
-  s.add_runtime_dependency 'fb2rb', '>= 0.6', '< 0.9'
+  s.add_runtime_dependency 'fb2rb', '~> 0.9'
   s.add_runtime_dependency 'mime-types', '~> 3.0'
 
   s.add_development_dependency 'asciidoctor-diagram', '~> 2.0'