attr-gather.gemspec in attr-gather-1.4.0 vs attr-gather.gemspec in attr-gather-1.5.1

@@ -13,10 +13,10 @@
   spec.summary = 'Write a short summary, because RubyGems requires one.'
   spec.description = 'Write a longer description or delete this line.'
   spec.homepage = 'https://github.com/ianks/attr-gather'
   spec.license = 'MIT'
 
-  spec.required_ruby_version = '>= 2.4'
+  spec.required_ruby_version = '>= 2.5'
 
   # spec.metadata["allowed_push_host"] = "TODO: Set to 'http://mygemserver.com'"
 
   spec.metadata['homepage_uri'] = spec.homepage
   spec.metadata['source_code_uri'] = 'https://github.com/ianks/attr-gather'