diff --git a/Gemfile.lock b/Gemfile.lock
index 55bf6a8..85962b5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,7 +30,7 @@ GEM
     loofah (2.21.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    minitest (5.16.3)
+    minitest (5.20.0)
     nokogiri (1.15.4-arm64-darwin)
       racc (~> 1.4)
     nokogiri (1.15.4-x86_64-darwin)
diff --git a/test/cop_test.rb b/test/cop_test.rb
index 4af051c..d271106 100644
--- a/test/cop_test.rb
+++ b/test/cop_test.rb
@@ -3,7 +3,7 @@
 require "action_view"
 require "minitest"
 
-class CopTest < MiniTest::Test
+class CopTest < Minitest::Test
   def cop_class
     raise NotImplementedError
   end