diff --git a/Gemfile b/Gemfile
index a2560ce..c95a269 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ gemspec
 
 gem "minitest", "~> 5.25"
 gem "rake", "~> 13.2"
-gem "rubocop", "~> 1.65"
+gem "rubocop", "~> 1.66"
 gem "rubocop-minitest", "~> 0.36"
 gem "rubocop-performance", "~> 1.21"
 gem "rubocop-rake", "~> 0.6"
diff --git a/Gemfile.lock b/Gemfile.lock
index 908a98f..4f76f66 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,20 +20,17 @@ GEM
     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 (1.32.1)
+    rubocop-ast (1.32.2)
       parser (>= 3.3.1.0)
     rubocop-minitest (0.36.0)
       rubocop (>= 1.61, < 2.0)
@@ -44,7 +41,6 @@ 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
@@ -55,7 +51,7 @@ DEPENDENCIES
   flatito!
   minitest (~> 5.25)
   rake (~> 13.2)
-  rubocop (~> 1.65)
+  rubocop (~> 1.66)
   rubocop-minitest (~> 0.36)
   rubocop-performance (~> 1.21)
   rubocop-rake (~> 0.6)