diff --git a/Gemfile b/Gemfile
index b517bad..0fb5cdd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'gem-release', '~> 2.1'
 gem 'pry-byebug', '~> 3.7'
 gem 'rake', '~> 13.0'
 gem 'rspec', '~> 3.2'
-gem 'rubocop', '~> 1.65'
+gem 'rubocop', '~> 1.66'
 gem 'rubocop-rake', '~> 0.6.0'
 gem 'rubocop-rspec', '~> 3.0'
 gem 'simplecov', '~> 0.22.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 9cb9d4d..196256f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,15 +65,14 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.1)
-    rubocop (1.65.1)
+    rubocop (1.66.0)
       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 (>= 1.32.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
     rubocop-ast (1.32.1)
@@ -107,7 +106,7 @@ DEPENDENCIES
   pry-byebug (~> 3.7)
   rake (~> 13.0)
   rspec (~> 3.2)
-  rubocop (~> 1.65)
+  rubocop (~> 1.66)
   rubocop-rake (~> 0.6.0)
   rubocop-rspec (~> 3.0)
   simplecov (~> 0.22.0)