diff --git a/Gemfile b/Gemfile
index 1a52e34..9ab9f3b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gemspec
 group :development, :test do
   # Automatic Ruby code style checking tool. Aims to enforce the
   # community-driven Ruby Style Guide.
-  gem 'rubocop', '~> 1.8.0'
+  gem 'rubocop', '~> 1.8.1'
   # Turns off all rubocop cops that are unnecessary or might conflict with rufo.
   gem 'rubocop-config-rufo', '~> 0.1.0', git: 'https://github.com/tymate/rubocop-config-rufo'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 80a8c95..9872ae5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -224,7 +224,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
     rspec-support (3.10.0)
-    rubocop (1.8.0)
+    rubocop (1.8.1)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
@@ -266,7 +266,7 @@ DEPENDENCIES
   rails (~> 6.0)
   rake
   rspec (>= 3.0.0)
-  rubocop (~> 1.8.0)
+  rubocop (~> 1.8.1)
   rubocop-config-rufo (~> 0.1.0)!
   yard
   yard-activesupport-concern
diff --git a/api-blocks.gemspec b/api-blocks.gemspec
index c4a70b0..f4397b1 100644
--- a/api-blocks.gemspec
+++ b/api-blocks.gemspec
@@ -33,7 +33,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rails', '~> 6.0'
   s.add_development_dependency 'rake'
   s.add_development_dependency 'rspec', '>= 3.0.0'
-  s.add_development_dependency 'rubocop', '1.8.0'
+  s.add_development_dependency 'rubocop', '1.8.1'
   s.add_development_dependency 'yard'
   s.add_development_dependency 'yard-activesupport-concern'