diff --git a/Gemfile b/Gemfile
index 7669e0d7f7..cde0f2f546 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gemspec
 gem 'minitest', '5.19.0'
 gem 'pry', '0.14.2'
 gem 'rake', '13.0.6'
-gem 'rubocop', '1.54.2'
+gem 'rubocop', '1.55.0'
 gem 'rubocop-minitest', '0.31.0'
 gem 'rubocop-rake', '0.6.0'
 gem 'simplecov', '0.22.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 7788ca3688..0414e8235d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,7 +30,7 @@ GEM
     rake (13.0.6)
     regexp_parser (2.8.1)
     rexml (3.2.5)
-    rubocop (1.54.2)
+    rubocop (1.55.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -38,7 +38,7 @@ 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)
@@ -68,7 +68,7 @@ DEPENDENCIES
   minitest (= 5.19.0)
   pry (= 0.14.2)
   rake (= 13.0.6)
-  rubocop (= 1.54.2)
+  rubocop (= 1.55.0)
   rubocop-minitest (= 0.31.0)
   rubocop-rake (= 0.6.0)
   simplecov (= 0.22.0)