diff --git a/Gemfile b/Gemfile
index 2e5e6b76..c3edeced 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ gem "minitest", "~> 5.11"
 gem "minitest-ci", "~> 3.4"
 gem "minitest-reporters", "~> 1.3"
 gem "rake", "~> 13.0"
-gem "rubocop", "1.50.2"
+gem "rubocop", "1.51.0"
 gem "rubocop-md", "1.2.0"
 gem "rubocop-minitest", "0.30.0"
 gem "rubocop-packaging", "0.5.2"