.rubocop.yml in heartml-1.0.0.beta7 vs .rubocop.yml in heartml-1.0.0.beta8

@@ -1,10 +1,10 @@
 require:
  - rubocop-minitest
  - rubocop-rake
 
 AllCops:
-  TargetRubyVersion: 3.0
+  TargetRubyVersion: 3.1
   NewCops: enable
 
 Metrics/MethodLength:
   Max: 20