diff --git a/.ruby-style.yml b/.ruby-style.yml
index 134c389cea..ae853fb2aa 100644
--- a/.ruby-style.yml
+++ b/.ruby-style.yml
@@ -37,6 +37,9 @@ AllCops:
 Bundler/DuplicatedGem:
   Enabled: false
 
+Bundler/DuplicatedGroup:
+  Enabled: false
+
 Bundler/GemComment:
   Enabled: false
 
diff --git a/Gemfile b/Gemfile
index 731865f598..d427faab86 100644
--- a/Gemfile
+++ b/Gemfile
@@ -193,7 +193,7 @@ group :development do
       gem 'net-ssh-gateway', '>= 1.1.0', '< 3.0.0'
   gem 'launchy', '< 2.6.0'
   gem 'web-console', '>= 3.3.0'
-  gem 'rubocop', '~> 1.55.0', require: false
+  gem 'rubocop', '~> 1.56.0', require: false
   gem 'rubocop-performance', require: false
   gem 'rubocop-rails', require: false
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 05084d39c5..e52541a24e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -156,6 +156,7 @@ GEM
       faraday (~> 0.9)
       faraday_middleware (~> 0.10)
       nokogiri (~> 1.6, >= 1.6.8)
+    base64 (0.1.1)
     bcrypt (3.1.19)
     bindex (0.8.1)
     bootstrap-sass (2.3.2.2)
@@ -457,7 +458,8 @@ GEM
       rspec-mocks (~> 3.12)
       rspec-support (~> 3.12)
     rspec-support (3.12.0)
-    rubocop (1.55.0)
+    rubocop (1.56.0)
+      base64 (~> 0.1.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -628,7 +630,7 @@ DEPENDENCIES
   routing-filter (~> 0.7.0)
   rspec-activemodel-mocks (~> 1.1.0)
   rspec-rails (~> 6.0.3)
-  rubocop (~> 1.55.0)
+  rubocop (~> 1.56.0)
   rubocop-performance
   rubocop-rails
   ruby-msg (~> 1.5.0)!