diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index 631fdd7..292dbc2 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -11,10 +11,10 @@ jobs:
       TESTOPTS: '-v'
     steps:
       - uses: actions/checkout@v3
-      - name: Set up Ruby 3.2
+      - name: Set up Ruby 3.4
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.2
+          ruby-version: 3.4
           bundler-cache: true
       - name: bundle install
         run: bundle install --jobs 4 --retry 3
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 15bf2ea..366dd8c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,8 +4,7 @@ on: [push, pull_request]
 
 jobs:
   build:
-    name: >-
-      ${{ matrix.ruby }}
+    name: ruby ${{ matrix.ruby }} / mongoid ${{ matrix.mongoid }}
     env:
       CI: true
       TESTOPTS: -v
@@ -14,27 +13,30 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [2.7, 3.0, 3.1, 3.2, truffleruby]
-        mongoid: [7, 8]
+        ruby: ['3.3', '3.4']
+        mongoid: [7, 8, 9]
         experimental: [false]
         include:
+          - ruby: '4.0'
+            mongoid: 9
+            experimental: false
           - ruby: head
             mongoid: head
             experimental: true
-          - ruby: jruby-head
-            mongoid: 8
-            experimental: true
           - ruby: jruby
-            mongoid: 7
+            mongoid: 8
             experimental: true
           - ruby: jruby
-            mongoid: 8
+            mongoid: 9
             experimental: true
           - ruby: jruby-head
-            mongoid: 8
+            mongoid: 9
+            experimental: true
+          - ruby: truffleruby
+            mongoid: 9
             experimental: true
           - ruby: truffleruby-head
-            mongoid: 8
+            mongoid: 9
             experimental: true
 
     steps:
diff --git a/.rubocop.yml b/.rubocop.yml
index b618e94..45b5874 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -3,7 +3,7 @@ inherit_from: .rubocop_todo.yml
 AllCops:
   NewCops: enable
   SuggestExtensions: false
-  TargetRubyVersion: 2.7
+  TargetRubyVersion: 3.3
   Exclude:
     - spec/**/*
     - vendor/**/*
diff --git a/README.md b/README.md
index 229760c..f29d6c2 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ from the [Mongoid 3.0.0-stable branch](https://github.com/mongodb/mongoid/tree/3
 
 ## Version Support
 
-* The current release is compatible with Mongoid 7.3 and later, and Ruby 2.7 and later.
+* The current release is tested against Mongoid 7.3, 8 and 9, and Ruby 3.3 and later.
 * Earlier Mongoid and Ruby versions are supported on earlier releases.
 
 ## Installation
diff --git a/mongoid_paranoia.gemspec b/mongoid_paranoia.gemspec
index 250e00e..579efb9 100644
--- a/mongoid_paranoia.gemspec
+++ b/mongoid_paranoia.gemspec
@@ -16,6 +16,7 @@ Gem::Specification.new do |gem|
   gem.files         = Dir.glob('lib/**/*') + %w[LICENSE README.md]
   gem.require_paths = ['lib']
 
+  gem.required_ruby_version = '>= 3.3'
   gem.add_dependency 'mongoid', '>= 7.3'
   gem.metadata['rubygems_mfa_required'] = 'true'
 end