diff --git a/Gemfile b/Gemfile
index 4c35905..485458c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,6 +7,6 @@ gemspec
 
 gem 'minitest', '~> 5.25'
 gem 'rake', '~> 13.1'
-gem 'rubocop', '~> 1.65'
+gem 'rubocop', '~> 1.66'
 gem 'rubocop-minitest', '~> 0.35.1'
 gem 'rubocop-rake', '~> 0.6.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index ad41518..b6e5a03 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,28 +10,25 @@ GEM
     json (2.7.2)
     language_server-protocol (3.17.0.3)
     minitest (5.25.1)
-    parallel (1.25.1)
-    parser (3.3.4.0)
+    parallel (1.26.3)
+    parser (3.3.4.2)
       ast (~> 2.4.1)
       racc
     racc (1.8.1)
     rainbow (3.1.1)
     rake (13.1.0)
     regexp_parser (2.9.2)
-    rexml (3.3.6)
-      strscan
-    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 (1.31.3)
+    rubocop-ast (1.32.1)
       parser (>= 3.3.1.0)
     rubocop-minitest (0.35.1)
       rubocop (>= 1.61, < 2.0)
@@ -39,7 +36,6 @@ GEM
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
     ruby-progressbar (1.13.0)
-    strscan (3.1.0)
     unicode-display_width (2.5.0)
 
 PLATFORMS
@@ -49,7 +45,7 @@ DEPENDENCIES
   human_languages!
   minitest (~> 5.25)
   rake (~> 13.1)
-  rubocop (~> 1.65)
+  rubocop (~> 1.66)
   rubocop-minitest (~> 0.35.1)
   rubocop-rake (~> 0.6.0)