diff --git a/Gemfile b/Gemfile
index 54e63b3..3ec02d5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -16,5 +16,5 @@ gem 'rake', '~> 13.0'
 group :test, :development do
   gem 'minitest', '~> 5.20'
   gem 'rack-test', '~> 2.1'
-  gem 'rubocop', '~> 1.56', require: false
+  gem 'rubocop', '~> 1.57', require: false
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 4919fde..aa54774 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,7 +48,7 @@ GEM
       mustermann (>= 1.0.0)
     nio4r (2.5.9)
     parallel (1.23.0)
-    parser (3.2.2.3)
+    parser (3.2.2.4)
       ast (~> 2.4.1)
       racc
     prometheus-client (4.2.1)
@@ -64,14 +64,14 @@ GEM
       rack (>= 1.3)
     rainbow (3.1.1)
     rake (13.0.6)
-    regexp_parser (2.8.1)
+    regexp_parser (2.8.2)
     rexml (3.2.6)
-    rubocop (1.56.4)
+    rubocop (1.57.1)
       base64 (~> 0.1.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.2.3)
+      parser (>= 3.2.2.4)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
@@ -101,7 +101,7 @@ DEPENDENCIES
   rack-cors (~> 2.0)
   rack-test (~> 2.1)
   rake (~> 13.0)
-  rubocop (~> 1.56)
+  rubocop (~> 1.57)
 
 BUNDLED WITH
    2.4.1