diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5bf67597f..b1df4b2d2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,6 @@ jobs:
       matrix:
         ruby:
           - 2.7
-          - 2.6
         db:
           - mysql
           - postgresql
diff --git a/.rubocop.yml b/.rubocop.yml
index fa0c9d76c..a2791b457 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,7 +1,7 @@
 require: rubocop-rails
 
 AllCops:
-  TargetRubyVersion: 2.6
+  TargetRubyVersion: 2.7
   NewCops: enable
   Exclude:
     - "bin/**/*"