diff --git a/Gemfile b/Gemfile
index ddc7dc6..dceb7fc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ gem 'minitest-ci', '~> 3.4'
 gem 'minitest-reporters', '~> 1.6'
 gem 'rake', '~> 13.2'
 gem 'rake-compiler', '~> 1.2'
-gem 'rubocop', '1.65.1'
+gem 'rubocop', '1.66.0'
 gem 'rubocop-minitest', '0.35.1'
 gem 'rubocop-packaging', '0.5.2'
 gem 'rubocop-performance', '1.21.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index bf6af93..20f7ce9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,7 +19,7 @@ GEM
       builder
       minitest (>= 5.0)
       ruby-progressbar
-    parallel (1.26.2)
+    parallel (1.26.3)
     parser (3.3.4.2)
       ast (~> 2.4.1)
       racc
@@ -29,20 +29,17 @@ GEM
     rake-compiler (1.2.7)
       rake
     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 (1.32.0)
+    rubocop-ast (1.32.1)
       parser (>= 3.3.1.0)
     rubocop-minitest (0.35.1)
       rubocop (>= 1.61, < 2.0)
@@ -55,7 +52,6 @@ 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
@@ -71,7 +67,7 @@ DEPENDENCIES
   minitest-reporters (~> 1.6)
   rake (~> 13.2)
   rake-compiler (~> 1.2)
-  rubocop (= 1.65.1)
+  rubocop (= 1.66.0)
   rubocop-minitest (= 0.35.1)
   rubocop-packaging (= 0.5.2)
   rubocop-performance (= 1.21.1)