diff --git a/Gemfile b/Gemfile
index a848025..1a449d8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ gem 'minitest-ci', '~> 3.4'
 gem 'minitest-reporters', '~> 1.3'
 gem 'rake', '~> 13.0'
 gem 'rake-compiler', '~> 1.2'
-gem 'rubocop', '1.45.1'
+gem 'rubocop', '1.47.0'
 gem 'rubocop-minitest', '0.27.0'
 gem 'rubocop-packaging', '0.5.2'
 gem 'rubocop-performance', '1.16.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index b1f3d3a..4206cea 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -27,17 +27,17 @@ GEM
       rake
     regexp_parser (2.7.0)
     rexml (3.2.5)
-    rubocop (1.45.1)
+    rubocop (1.47.0)
       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 (>= 1.24.1, < 2.0)
+      rubocop-ast (>= 1.26.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.26.0)
+    rubocop-ast (1.27.0)
       parser (>= 3.2.1.0)
     rubocop-minitest (0.27.0)
       rubocop (>= 0.90, < 2.0)
@@ -62,7 +62,7 @@ DEPENDENCIES
   minitest-reporters (~> 1.3)
   rake (~> 13.0)
   rake-compiler (~> 1.2)
-  rubocop (= 1.45.1)
+  rubocop (= 1.47.0)
   rubocop-minitest (= 0.27.0)
   rubocop-packaging (= 0.5.2)
   rubocop-performance (= 1.16.0)