diff --git a/Gemfile b/Gemfile
index c3cbc3c..7027636 100644
--- a/Gemfile
+++ b/Gemfile
@@ -19,7 +19,7 @@ group :development, :test do
 end
 
 group :development, :lint do
-  gem 'rubocop', '~> 1.65'
+  gem 'rubocop', '~> 1.66'
 end
 
 group :development, :docs do
diff --git a/Gemfile.lock b/Gemfile.lock
index adbfe50..366ca9c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -16,31 +16,27 @@ GEM
     language_server-protocol (3.17.0.3)
     minitest (5.25.1)
     paint (2.3.0)
-    parallel (1.25.1)
-    parser (3.3.4.0)
+    parallel (1.26.3)
+    parser (3.3.5.0)
       ast (~> 2.4.1)
       racc
     racc (1.8.1)
     rainbow (3.1.1)
     rake (13.2.1)
     regexp_parser (2.9.2)
-    rexml (3.3.6)
-      strscan
-    rubocop (1.65.1)
+    rubocop (1.66.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.4, < 3.0)
-      rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
+      rubocop-ast (>= 1.32.2, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.31.3)
+    rubocop-ast (1.32.3)
       parser (>= 3.3.1.0)
     ruby-progressbar (1.13.0)
-    strscan (3.1.0)
     unicode-display_width (2.5.0)
     yard (0.9.36)
 
@@ -56,7 +52,7 @@ DEPENDENCIES
   minitest (~> 5.25)
   paint (~> 2.3)
   rake (~> 13.2)
-  rubocop (~> 1.65)
+  rubocop (~> 1.66)
   yard (>= 0.9.27, < 0.10)
 
 BUNDLED WITH