diff --git a/Gemfile b/Gemfile
index f6af0bf1..dc6363ee 100644
--- a/Gemfile
+++ b/Gemfile
@@ -27,7 +27,7 @@ group :test do
 
   gem "backports"
 
-  gem "rubocop", "~> 1.57.0"
+  gem "rubocop", "~> 1.61.0"
   gem "rubocop-performance", "~> 1.19.1"
   gem "rubocop-rake", "~> 0.6.0"
   gem "rubocop-rspec", "~> 2.24.1"
diff --git a/lib/http/chainable.rb b/lib/http/chainable.rb
index 0fd144fd..1bda76d9 100644
--- a/lib/http/chainable.rb
+++ b/lib/http/chainable.rb
@@ -102,7 +102,7 @@ def timeout(options)
       %i[global read write connect].each do |k|
         next unless options.key? k
 
-        options["#{k}_timeout".to_sym] = options.delete k
+        options[:"#{k}_timeout"] = options.delete k
       end
 
       branch default_options.merge(
diff --git a/lib/http/response/status/reasons.rb b/lib/http/response/status/reasons.rb
index 0399d438..0a6b583b 100644
--- a/lib/http/response/status/reasons.rb
+++ b/lib/http/response/status/reasons.rb
@@ -75,7 +75,7 @@ class Status < ::Delegator
         508 => "Loop Detected",
         510 => "Not Extended",
         511 => "Network Authentication Required"
-      }.each { |_, v| v.freeze }.freeze
+      }.each_value(&:freeze).freeze
     end
   end
 end
diff --git a/spec/support/proxy_server.rb b/spec/support/proxy_server.rb
index 36239879..131e99a0 100644
--- a/spec/support/proxy_server.rb
+++ b/spec/support/proxy_server.rb
@@ -18,7 +18,7 @@ class ProxyServer < WEBrick::HTTPProxyServer
   }.freeze
 
   def initialize
-    super CONFIG
+    super(CONFIG)
   end
 end
 
@@ -34,6 +34,6 @@ class AuthProxyServer < WEBrick::HTTPProxyServer
   CONFIG = ProxyServer::CONFIG.merge ProxyAuthProc: AUTHENTICATOR
 
   def initialize
-    super CONFIG
+    super(CONFIG)
   end
 end