.rubocop.yml in aitch-1.1.0 vs .rubocop.yml in aitch-1.2.0

@@ -1,10 +1,10 @@
 ---
 inherit_gem:
   rubocop-fnando: .rubocop.yml
 
 AllCops:
-  TargetRubyVersion: 2.6
+  TargetRubyVersion: 2.5
 
 Layout/LineLength:
   Exclude:
     - test/**/*.rb