diff --git a/Gemfile b/Gemfile
index 08a0fb7..7710914 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ group :development, :test do
   gem 'pry-byebug', '~> 3.6'
   gem 'rake', '~> 13.0'
   gem 'rspec', '~> 3.13'
-  gem 'rubocop', '~> 1.64'
+  gem 'rubocop', '~> 1.66'
   gem 'rubocop-rspec', '~> 3.1'
   gem 'timecop', '~> 0.9'
   gem 'vcr', '~> 5.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 57adcc3..e97582e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -174,15 +174,14 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.0)
-    rubocop (1.64.0)
+    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 (>= 1.8, < 3.0)
-      rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
+      regexp_parser (>= 2.4, < 3.0)
+      rubocop-ast (>= 1.32.2, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
     rubocop-ast (1.32.3)
@@ -241,7 +240,7 @@ DEPENDENCIES
   pushmi_pullyu!
   rake (~> 13.0)
   rspec (~> 3.13)
-  rubocop (~> 1.64)
+  rubocop (~> 1.66)
   rubocop-rspec (~> 3.1)
   timecop (~> 0.9)
   vcr (~> 5.0)