regexgen.gemspec in regexgen-0.3.0 vs regexgen.gemspec in regexgen-0.3.1

@@ -9,11 +9,11 @@
   spec.email         = ['[e-mail]']
 
   spec.summary       = 'Generate a minimal regex matching a set of strings'
   spec.homepage      = 'https://github.com/amake/regexgen-ruby'
   spec.license       = 'MIT'
-  spec.required_ruby_version = Gem::Requirement.new('>= 2.3.0')
+  spec.required_ruby_version = Gem::Requirement.new('>= 2.5.0')
 
   spec.metadata['homepage_uri'] = spec.homepage
   spec.metadata['source_code_uri'] = 'https://github.com/amake/regexgen-ruby.git'
 
   # Specify which files should be added to the gem when it is released.
@@ -23,9 +23,9 @@
   end
   spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.add_development_dependency 'byebug', '~> 11'
-  spec.add_development_dependency 'rubocop', '~> 0.89'
-  spec.add_development_dependency 'solargraph', '~> 0.39'
+  spec.add_development_dependency 'byebug'
+  spec.add_development_dependency 'rubocop'
+  spec.add_development_dependency 'solargraph'
 end