diff --git a/dyndnsd.gemspec b/dyndnsd.gemspec
index 5de18a2..95b1437 100644
--- a/dyndnsd.gemspec
+++ b/dyndnsd.gemspec
@@ -42,7 +42,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rack-test'
   s.add_development_dependency 'rake'
   s.add_development_dependency 'rspec'
-  s.add_development_dependency 'rubocop', '~> 1.52.0'
+  s.add_development_dependency 'rubocop', '~> 1.53.0'
   s.add_development_dependency 'rubocop-rake', '~> 0.6.0'
   s.add_development_dependency 'rubocop-rspec', '~> 2.22.0'
   s.add_development_dependency 'solargraph', '~> 0.49.0'
diff --git a/lib/dyndnsd.rb b/lib/dyndnsd.rb
index 5a236c6..694e52a 100644
--- a/lib/dyndnsd.rb
+++ b/lib/dyndnsd.rb
@@ -107,7 +107,7 @@ module Dyndnsd
       puts "DynDNSd version #{Dyndnsd::VERSION}"
       puts "Using config file #{config_file}"
 
-      config = YAML.safe_load(File.read(config_file))
+      config = YAML.safe_load_file(config_file)
 
       setup_logger(config)