diff --git a/.rubocop.yml b/.rubocop.yml
index 7370611..2e5b26d 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -2,7 +2,7 @@ require:
   - rubocop-performance
 
 AllCops:
-  TargetRubyVersion: 2.5
+  TargetRubyVersion: 2.7
   Include:
     - '**/*.rb'
   Exclude: