diff --git a/.rubocop.yml b/.rubocop.yml
index cd71fc0da30..47888430103 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -11,7 +11,7 @@ require:
 
 AllCops:
   DisabledByDefault: true
-  TargetRubyVersion: 2.6
+  TargetRubyVersion: 2.7
 
   Exclude:
     - tmp/development_apps/**/*
diff --git a/activeadmin.gemspec b/activeadmin.gemspec
index 68e0ea34660..eb3185afe3d 100644
--- a/activeadmin.gemspec
+++ b/activeadmin.gemspec
@@ -20,7 +20,7 @@ Gem::Specification.new do |s|
 
   s.metadata = { "rubygems_mfa_required" => "true" }
 
-  s.required_ruby_version = ">= 2.6"
+  s.required_ruby_version = ">= 2.7"
 
   s.add_dependency "arbre", "~> 1.2", ">= 1.2.1"
   s.add_dependency "formtastic", ">= 3.1", "< 5.0"