diff --git a/Gemfile b/Gemfile
index b095fe8..80fea4c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,5 +4,5 @@ source 'https://rubygems.org'
 
 gem 'bundler-audit', '~> 0.9', require: false
 gem 'rake', '>= 12.3.3', require: false
-gem 'rubocop', '~> 1.54', require: false
+gem 'rubocop', '~> 1.55', require: false
 gem 'rubocop-rake', '~> 0.6', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index b9bab3b..80aec70 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,8 +15,8 @@ GEM
     rainbow (3.1.1)
     rake (13.0.6)
     regexp_parser (2.8.1)
-    rexml (3.2.5)
-    rubocop (1.54.0)
+    rexml (3.2.6)
+    rubocop (1.55.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -24,7 +24,7 @@ GEM
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.28.0, < 2.0)
+      rubocop-ast (>= 1.28.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
     rubocop-ast (1.29.0)
@@ -41,7 +41,7 @@ PLATFORMS
 DEPENDENCIES
   bundler-audit (~> 0.9)
   rake (>= 12.3.3)
-  rubocop (~> 1.54)
+  rubocop (~> 1.55)
   rubocop-rake (~> 0.6)
 
 BUNDLED WITH