diff --git a/Gemfile b/Gemfile
index 262b1e3..f67876d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,5 +7,5 @@ group :development, :test do
   gem 'fasterer', '~> 0.9', require: false
   gem 'rake', '~> 13.0'
   gem 'rspec', '~> 3.10'
-  gem 'rubocop', '~> 0.90', require: false
+  gem 'rubocop', '~> 1.17', require: false
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index af01bc7..f51a6a6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,12 +12,12 @@ GEM
       colorize (~> 0.7)
       ruby_parser (>= 3.14.1)
     parallel (1.20.1)
-    parser (3.0.0.0)
+    parser (3.0.1.1)
       ast (~> 2.4.1)
     rainbow (3.0.0)
     rake (13.0.3)
     regexp_parser (2.1.1)
-    rexml (3.2.4)
+    rexml (3.2.5)
     rspec (3.10.0)
       rspec-core (~> 3.10.0)
       rspec-expectations (~> 3.10.0)
@@ -31,17 +31,17 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
     rspec-support (3.10.2)
-    rubocop (0.90.0)
+    rubocop (1.17.0)
       parallel (~> 1.10)
-      parser (>= 2.7.1.1)
+      parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.7)
+      regexp_parser (>= 1.8, < 3.0)
       rexml
-      rubocop-ast (>= 0.3.0, < 1.0)
+      rubocop-ast (>= 1.7.0, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-ast (0.8.0)
-      parser (>= 2.7.1.5)
+      unicode-display_width (>= 1.4.0, < 3.0)
+    rubocop-ast (1.7.0)
+      parser (>= 3.0.1.1)
     ruby-progressbar (1.11.0)
     ruby_parser (3.15.1)
       sexp_processor (~> 4.9)
@@ -52,7 +52,7 @@ GEM
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.2)
-    unicode-display_width (1.7.0)
+    unicode-display_width (2.0.0)
 
 PLATFORMS
   ruby
@@ -63,7 +63,7 @@ DEPENDENCIES
   fasterer (~> 0.9)
   rake (~> 13.0)
   rspec (~> 3.10)
-  rubocop (~> 0.90)
+  rubocop (~> 1.17)
 
 RUBY VERSION
    ruby 2.7.0p0