diff --git a/Gemfile b/Gemfile
index c431411..983a20c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gemspec
 
 group :development, :test do
   gem 'rspec', '~> 3.12.0'
-  gem 'rubocop', '~> 1.48.1'
+  gem 'rubocop', '~> 1.50.1'
   gem 'rubocop-performance', '~> 1.16.0'
   gem 'rubocop-rspec', '~> 2.19.0'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 0941e85..56a4e7c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,7 +22,7 @@ GEM
     mini_mime (1.1.2)
     multi_xml (0.6.0)
     parallel (1.22.1)
-    parser (3.2.1.1)
+    parser (3.2.2.0)
       ast (~> 2.4.1)
     public_suffix (5.0.1)
     rainbow (3.1.1)
@@ -42,17 +42,17 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.0)
-    rubocop (1.48.1)
+    rubocop (1.50.1)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.2.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.26.0, < 2.0)
+      rubocop-ast (>= 1.28.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.27.0)
+    rubocop-ast (1.28.0)
       parser (>= 3.2.1.0)
     rubocop-capybara (2.17.1)
       rubocop (~> 1.41)
@@ -86,7 +86,7 @@ DEPENDENCIES
   rake (~> 13.0.6)
   regio!
   rspec (~> 3.12.0)
-  rubocop (~> 1.48.1)
+  rubocop (~> 1.50.1)
   rubocop-performance (~> 1.16.0)
   rubocop-rspec (~> 2.19.0)
   simplecov (~> 0.22.0)