Remove unnecessary dependency

.github/workflows/ruby.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '2.7'
+          ruby-version: '3.3'
 
       - name: Install dependencies
         run: bundle install
@@ -29,10 +29,7 @@ jobs:
       fail-fast: false # don't fail all matrix builds if one fails
       matrix:
         ruby:
-          - '2.7'
           - '3.0'
-          - '3.1'
-          - '3.2'
           - '3.3'
     continue-on-error: ${{ endsWith(matrix.ruby, 'head') }}
     steps:

Gemfile.lock

@@ -1,8 +1,7 @@
 PATH
   remote: .
   specs:
-    activeyaml (1.2.3)
-      psych (~> 5.1)
+    activeyaml (1.3.0)
 
 GEM
   remote: https://rubygems.org/
@@ -23,8 +22,6 @@ GEM
     parser (3.2.2.4)
       ast (~> 2.4.1)
       racc
-    psych (5.1.2)
-      stringio
     racc (1.7.3)
     rainbow (3.1.1)
     rake (13.1.0)
@@ -46,7 +43,6 @@ GEM
     rubocop-minitest (0.33.0)
       rubocop (>= 1.39, < 2.0)
     ruby-progressbar (1.13.0)
-    stringio (3.1.0)
     unicode-display_width (2.5.0)
 
 PLATFORMS

activeyaml.gemspec

@@ -12,9 +12,8 @@ Gem::Specification.new do |s|
   s.files       = Dir.glob('lib/**/*')
   s.homepage    = 'https://github.com/leonovk/activeyaml'
   s.license     = 'MIT'
-  s.required_ruby_version = '>= 2.4'
+  s.required_ruby_version = '>= 3.0'
   s.metadata['homepage_uri'] = s.homepage
   s.metadata['source_code_uri'] = s.homepage
   s.metadata['documentation_uri'] = s.homepage
-  s.add_dependency 'psych', '~> 5.1'
 end

lib/active_yaml/parser.rb

@@ -1,12 +1,12 @@
 # frozen_string_literal: true
 
-require 'psych'
+require 'yaml'
 
 module ActiveYaml
   # The main parser of Yaml files, uses psych under the hood
   class Parser
     def self.parse(file_path)
-      Psych.safe_load_file(file_path)
+      YAML.safe_load_file(file_path)
     end
   end
 end

lib/active_yaml/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module ActiveYaml
-  VERSION = '1.2.3'
+  VERSION = '1.3.0'
 end