diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index c067e34..80ccda8 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['3.3', '3.2', '3.1', '3.0', '2.7']
+        ruby-version: ['3.3', '3.2', '3.1', '3.0']
     steps:
     - uses: actions/checkout@v4 # https://github.com/actions/checkout
     - name: Set up Ruby
diff --git a/.rubocop.yml b/.rubocop.yml
index d10777f..afbbf53 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,5 +1,5 @@
 AllCops:
-  TargetRubyVersion: 2.6
+  TargetRubyVersion: 3.0
   NewCops: enable
   SuggestExtensions: false
   Exclude:
@@ -19,4 +19,4 @@ Metrics/CyclomaticComplexity:
 Metrics/MethodLength:
   Enabled: false
 Metrics/PerceivedComplexity:
-  Enabled: false
\ No newline at end of file
+  Enabled: false
diff --git a/bqm.gemspec b/bqm.gemspec
index c47a0b3..615e995 100644
--- a/bqm.gemspec
+++ b/bqm.gemspec
@@ -25,5 +25,5 @@ Gem::Specification.new do |s|
     'rubygems_mfa_required' => 'true'
   }
 
-  s.required_ruby_version = ['>= 2.6.0', '< 4.0']
+  s.required_ruby_version = ['>= 3.0.0', '< 4.0']
 end